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        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000048850Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity Tax-Free Bond Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000048850Member" xlink:to="verboseLabel_fmr_C000048850Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000048850Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity Tax-Free Bond Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000048850Member" xlink:to="terseLabel_fmr_C000048850Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000235223Member" xlink:label="C000235223Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000235223Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000235223 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235223Member" xlink:to="label_fmr_C000235223Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000235223Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity Sustainable Intermediate Municipal Income Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235223Member" xlink:to="verboseLabel_fmr_C000235223Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000235223Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity Sustainable Intermediate Municipal Income Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235223Member" xlink:to="terseLabel_fmr_C000235223Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000235227Member" xlink:label="C000235227Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000235227Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000235227 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235227Member" xlink:to="label_fmr_C000235227Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000235227Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity Advisor Sustainable Intermediate Municipal Income Fund - Class Z</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235227Member" xlink:to="verboseLabel_fmr_C000235227Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000235227Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity Advisor Sustainable Intermediate Municipal Income Fund - Class Z</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235227Member" xlink:to="terseLabel_fmr_C000235227Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000235224Member" xlink:label="C000235224Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000235224Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000235224 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235224Member" xlink:to="label_fmr_C000235224Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000235224Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity Advisor Sustainable Intermediate Municipal Income Fund - Class M</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235224Member" xlink:to="verboseLabel_fmr_C000235224Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000235224Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity Advisor Sustainable Intermediate Municipal Income Fund - Class M</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235224Member" xlink:to="terseLabel_fmr_C000235224Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000235226Member" xlink:label="C000235226Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000235226Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000235226 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235226Member" xlink:to="label_fmr_C000235226Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000235226Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity Advisor Sustainable Intermediate Municipal Income Fund - Class I</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235226Member" xlink:to="verboseLabel_fmr_C000235226Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000235226Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity Advisor Sustainable Intermediate Municipal Income Fund - Class I</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235226Member" xlink:to="terseLabel_fmr_C000235226Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000235225Member" xlink:label="C000235225Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000235225Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000235225 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235225Member" xlink:to="label_fmr_C000235225Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000235225Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity Advisor Sustainable Intermediate Municipal Income Fund - Class C</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235225Member" xlink:to="verboseLabel_fmr_C000235225Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000235225Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity Advisor Sustainable Intermediate Municipal Income Fund - Class C</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235225Member" xlink:to="terseLabel_fmr_C000235225Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000235228Member" xlink:label="C000235228Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000235228Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000235228 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235228Member" xlink:to="label_fmr_C000235228Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000235228Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity Advisor Sustainable Intermediate Municipal Income Fund - Class A</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235228Member" xlink:to="verboseLabel_fmr_C000235228Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000235228Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity Advisor Sustainable Intermediate Municipal Income Fund - Class A</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235228Member" xlink:to="terseLabel_fmr_C000235228Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000131781Member" xlink:label="C000131781Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000131781Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000131781 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000131781Member" xlink:to="label_fmr_C000131781Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000131781Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity Series Large Cap Value Index Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000131781Member" xlink:to="verboseLabel_fmr_C000131781Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000131781Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity Series Large Cap Value Index Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000131781Member" xlink:to="terseLabel_fmr_C000131781Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000200825Member" xlink:label="C000200825Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000200825Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000200825 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000200825Member" xlink:to="label_fmr_C000200825Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000200825Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity SAI Tax-Free Bond Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000200825Member" xlink:to="verboseLabel_fmr_C000200825Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000200825Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity SAI Tax-Free Bond Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000200825Member" xlink:to="terseLabel_fmr_C000200825Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000235216Member" xlink:label="C000235216Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000235216Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000235216 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235216Member" xlink:to="label_fmr_C000235216Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000235216Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity SAI Sustainable Municipal Income Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235216Member" xlink:to="verboseLabel_fmr_C000235216Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000235216Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity SAI Sustainable Municipal Income Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235216Member" xlink:to="terseLabel_fmr_C000235216Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000235213Member" xlink:label="C000235213Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000235213Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000235213 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235213Member" xlink:to="label_fmr_C000235213Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000235213Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity SAI Sustainable Conservative Income Municipal Bond Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235213Member" xlink:to="verboseLabel_fmr_C000235213Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000235213Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity SAI Sustainable Conservative Income Municipal Bond Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235213Member" xlink:to="terseLabel_fmr_C000235213Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000245667Member" xlink:label="C000245667Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000245667Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000245667 [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000245667Member" xlink:to="label_fmr_C000245667Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000245667Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">Fidelity SAI Conservative Income Municipal Bond Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000245667Member" xlink:to="verboseLabel_fmr_C000245667Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000245667Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Fidelity SAI Conservative Income Municipal Bond Fund</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000245667Member" xlink:to="terseLabel_fmr_C000245667Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US" xlink:label="country_US"/>
        <link:label xlink:type="resource" xlink:label="label_US" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">United States</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_US" xlink:to="label_US" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_US" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">United States</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_US" xlink:to="terseLabel_US" order="2.0"/>
        <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_CA" xlink:label="country_CA"/>
        <link:label xlink:type="resource" xlink:label="label_CA" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Canada</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CA" xlink:to="label_CA" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Canada</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CA" xlink:to="terseLabel_CA" order="2.0"/>
        <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_AU" xlink:label="country_AU"/>
        <link:label xlink:type="resource" xlink:label="label_AU" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Australia</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_AU" xlink:to="label_AU" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_AU" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Australia</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_AU" xlink:to="terseLabel_AU" order="2.0"/>
        <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_GB" xlink:label="country_GB"/>
        <link:label xlink:type="resource" xlink:label="label_GB" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">United Kingdom</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_GB" xlink:to="label_GB" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_GB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">United Kingdom</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_GB" xlink:to="terseLabel_GB" order="2.0"/>
        <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_MX" xlink:label="country_MX"/>
        <link:label xlink:type="resource" xlink:label="label_MX" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Mexico</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_MX" xlink:to="label_MX" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_MX" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Mexico</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_MX" xlink:to="terseLabel_MX" order="2.0"/>
        <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_BM" xlink:label="country_BM"/>
        <link:label xlink:type="resource" xlink:label="label_BM" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Bermuda</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_BM" xlink:to="label_BM" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_BM" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Bermuda</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_BM" xlink:to="terseLabel_BM" order="2.0"/>
        <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_PR" xlink:label="country_PR"/>
        <link:label xlink:type="resource" xlink:label="label_PR" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Puerto Rico</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_PR" xlink:to="label_PR" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_PR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">Puerto Rico</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_PR" xlink:to="terseLabel_PR" order="2.0"/>
        <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_BR" xlink:label="country_BR"/>
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        <link:label xlink:type="resource" xlink:label="label_fmr_QDAAAMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">QDAAAMember [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDAAAMember" xlink:to="label_fmr_QDAAAMember" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_QDAAAMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">QDAAAMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDAAAMember" xlink:to="verboseLabel_fmr_QDAAAMember" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_QDAAAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">QDAAAMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDAAAMember" xlink:to="terseLabel_fmr_QDAAAMember" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_QDAAMember" xlink:label="QDAAMember"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_QDAAMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">QDAAMember [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDAAMember" xlink:to="label_fmr_QDAAMember" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_QDAAMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">QDAAMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDAAMember" xlink:to="verboseLabel_fmr_QDAAMember" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_QDAAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">QDAAMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDAAMember" xlink:to="terseLabel_fmr_QDAAMember" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_QDAMember" xlink:label="QDAMember"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_QDAMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">QDAMember [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDAMember" xlink:to="label_fmr_QDAMember" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_QDAMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">QDAMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDAMember" xlink:to="verboseLabel_fmr_QDAMember" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_QDAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">QDAMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDAMember" xlink:to="terseLabel_fmr_QDAMember" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_QDBBBMember" xlink:label="QDBBBMember"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_QDBBBMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">QDBBBMember [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDBBBMember" xlink:to="label_fmr_QDBBBMember" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_QDBBBMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">QDBBBMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDBBBMember" xlink:to="verboseLabel_fmr_QDBBBMember" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_QDBBBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">QDBBBMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDBBBMember" xlink:to="terseLabel_fmr_QDBBBMember" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_QDBBMember" xlink:label="QDBBMember"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_QDBBMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">QDBBMember [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDBBMember" xlink:to="label_fmr_QDBBMember" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_QDBBMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">QDBBMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDBBMember" xlink:to="verboseLabel_fmr_QDBBMember" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_QDBBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">QDBBMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDBBMember" xlink:to="terseLabel_fmr_QDBBMember" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_QDBMember" xlink:label="QDBMember"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_QDBMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">QDBMember [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDBMember" xlink:to="label_fmr_QDBMember" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_QDBMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">QDBMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDBMember" xlink:to="verboseLabel_fmr_QDBMember" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_QDBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">QDBMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDBMember" xlink:to="terseLabel_fmr_QDBMember" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_QDCCCCCCMember" xlink:label="QDCCCCCCMember"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_QDCCCCCCMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">QDCCCCCCMember [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDCCCCCCMember" xlink:to="label_fmr_QDCCCCCCMember" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_QDCCCCCCMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">QDCCCCCCMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDCCCCCCMember" xlink:to="verboseLabel_fmr_QDCCCCCCMember" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_QDCCCCCCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">QDCCCCCCMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDCCCCCCMember" xlink:to="terseLabel_fmr_QDCCCCCCMember" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_QDNotRatedMember" xlink:label="QDNotRatedMember"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_QDNotRatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">QDNotRatedMember [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDNotRatedMember" xlink:to="label_fmr_QDNotRatedMember" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_QDNotRatedMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">QDNotRatedMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDNotRatedMember" xlink:to="verboseLabel_fmr_QDNotRatedMember" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_QDNotRatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">QDNotRatedMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDNotRatedMember" xlink:to="terseLabel_fmr_QDNotRatedMember" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" xlink:label="QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" xlink:to="label_fmr_QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" xlink:to="verboseLabel_fmr_QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" xlink:to="terseLabel_fmr_QDShortTermInvestmentsandNetOtherAssetsLiabilitiesMember" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_TS0Member" xlink:label="TS0Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_TS0Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">TS0Member [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS0Member" xlink:to="label_fmr_TS0Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_TS0Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">TS0Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS0Member" xlink:to="verboseLabel_fmr_TS0Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_TS0Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">TS0Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS0Member" xlink:to="terseLabel_fmr_TS0Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_TS1Member" xlink:label="TS1Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_TS1Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">TS1Member [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS1Member" xlink:to="label_fmr_TS1Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_TS1Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">TS1Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS1Member" xlink:to="verboseLabel_fmr_TS1Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_TS1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">TS1Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS1Member" xlink:to="terseLabel_fmr_TS1Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_TS2Member" xlink:label="TS2Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_TS2Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">TS2Member [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS2Member" xlink:to="label_fmr_TS2Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_TS2Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">TS2Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS2Member" xlink:to="verboseLabel_fmr_TS2Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_TS2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">TS2Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS2Member" xlink:to="terseLabel_fmr_TS2Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_TS3Member" xlink:label="TS3Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_TS3Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">TS3Member [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS3Member" xlink:to="label_fmr_TS3Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_TS3Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">TS3Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS3Member" xlink:to="verboseLabel_fmr_TS3Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_TS3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">TS3Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS3Member" xlink:to="terseLabel_fmr_TS3Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_TS4Member" xlink:label="TS4Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_TS4Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">TS4Member [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS4Member" xlink:to="label_fmr_TS4Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_TS4Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">TS4Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS4Member" xlink:to="verboseLabel_fmr_TS4Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_TS4Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">TS4Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TS4Member" xlink:to="terseLabel_fmr_TS4Member" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000235223_LG_ClassMember_5YRMember" xlink:label="C000235223_LG_ClassMember_5YRMember"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000235223_LG_ClassMember_5YRMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000235223_LG_ClassMember_5YRMember [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235223_LG_ClassMember_5YRMember" xlink:to="label_fmr_C000235223_LG_ClassMember_5YRMember" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000235223_LG_ClassMember_5YRMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">C000235223_LG_ClassMember_5YRMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235223_LG_ClassMember_5YRMember" xlink:to="verboseLabel_fmr_C000235223_LG_ClassMember_5YRMember" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000235223_LG_ClassMember_5YRMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">C000235223_LG_ClassMember_5YRMember</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235223_LG_ClassMember_5YRMember" xlink:to="terseLabel_fmr_C000235223_LG_ClassMember_5YRMember" order="3.0"/>
        <link:loc xlink:type="locator" xlink:href="fmr-20260401.xsd#fmr_C000235223_ClassMember_AsOf_2022Member" xlink:label="C000235223_ClassMember_AsOf_2022Member"/>
        <link:label xlink:type="resource" xlink:label="label_fmr_C000235223_ClassMember_AsOf_2022Member" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">C000235223_ClassMember_AsOf_2022Member [Member]</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235223_ClassMember_AsOf_2022Member" xlink:to="label_fmr_C000235223_ClassMember_AsOf_2022Member" order="1.0"/>
        <link:label xlink:type="resource" xlink:label="verboseLabel_fmr_C000235223_ClassMember_AsOf_2022Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xml:lang="en-US">C000235223_ClassMember_AsOf_2022Member</link:label>
        <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="C000235223_ClassMember_AsOf_2022Member" xlink:to="verboseLabel_fmr_C000235223_ClassMember_AsOf_2022Member" order="2.0"/>
        <link:label xlink:type="resource" xlink:label="terseLabel_fmr_C000235223_ClassMember_AsOf_2022Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xml:lang="en-US">C000235223_ClassMember_AsOf_2022Member</link:label>
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