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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsMember_lbl" xml:lang="en-US">Cash and Cash Equivalents [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="darp-20260731.xsd#darp_AlphabetIncClassAMember" xlink:label="darp_AlphabetIncClassAMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="darp_AlphabetIncClassAMember" xlink:to="darp_AlphabetIncClassAMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="darp_AlphabetIncClassAMember_lbl" xml:lang="en-US">Alphabet, Inc. - Class A [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="darp-20260731.xsd#darp_AmazonDotComIncMember" xlink:label="darp_AmazonDotComIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="darp_AmazonDotComIncMember" xlink:to="darp_AmazonDotComIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="darp_AmazonDotComIncMember_lbl" xml:lang="en-US">Amazon.com, Inc. [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="darp-20260731.xsd#darp_NvidiaCorpMember" xlink:label="darp_NvidiaCorpMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="darp_NvidiaCorpMember" xlink:to="darp_NvidiaCorpMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="darp_NvidiaCorpMember_lbl" xml:lang="en-US">NVIDIA Corp. [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="darp-20260731.xsd#darp_MicronTechnologyIncMember" xlink:label="darp_MicronTechnologyIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="darp_MicronTechnologyIncMember" xlink:to="darp_MicronTechnologyIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="darp_MicronTechnologyIncMember_lbl" xml:lang="en-US">Micron Technology, Inc. [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="darp-20260731.xsd#darp_GEVernovaIncMember" xlink:label="darp_GEVernovaIncMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="darp_GEVernovaIncMember_lbl" xml:lang="en-US">GE Vernova, Inc. [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="darp-20260731.xsd#darp_CoherentCorpMember" xlink:label="darp_CoherentCorpMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="darp_CoherentCorpMember" xlink:to="darp_CoherentCorpMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="darp_CoherentCorpMember_lbl" xml:lang="en-US">Coherent Corp. [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="darp-20260731.xsd#darp_CienaCorpMember" xlink:label="darp_CienaCorpMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="darp_CienaCorpMember" xlink:to="darp_CienaCorpMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="darp_CienaCorpMember_lbl" xml:lang="en-US">Ciena Corp. [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="darp-20260731.xsd#darp_AppleIncMember" xlink:label="darp_AppleIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="darp_AppleIncMember" xlink:to="darp_AppleIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="darp_AppleIncMember_lbl" xml:lang="en-US">Apple, Inc. [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="darp-20260731.xsd#darp_TaiwanSemiconductorManufacturingCoLtdADRMember" xlink:label="darp_TaiwanSemiconductorManufacturingCoLtdADRMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="darp_TaiwanSemiconductorManufacturingCoLtdADRMember_lbl" xml:lang="en-US">Taiwan Semiconductor Manufacturing Co. Ltd., ADR [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="darp-20260731.xsd#darp_VertivHoldingsCoClassAMember" xlink:label="darp_VertivHoldingsCoClassAMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="darp_C000244045Member_doc" xml:lang="en-US">Grizzle Growth ETF.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="darp_SAndP500TotalReturnIndexMember" xlink:to="darp_SAndP500TotalReturnIndexMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="darp_SAndP500TotalReturnIndexMember_doc" xml:lang="en-US">S&amp;P 500&#174; Total Return Index.</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="darp_NvidiaCorpMember_doc" xml:lang="en-US">NVIDIA Corp.</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="darp_AlphabetIncClassAMember_doc" xml:lang="en-US">Alphabet, Inc. - Class A</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="darp_AmazonDotComIncMember_doc" xml:lang="en-US">Amazon.com, Inc.</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="darp_GEVernovaIncMember_doc" xml:lang="en-US">GE Vernova, Inc.</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="darp_CoherentCorpMember_doc" xml:lang="en-US">Coherent Corp.</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsNet_lbl" xml:lang="en-US">Net Assets</link:label>
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