<?xml version='1.0' encoding='UTF-8'?>
 

<link:linkbase
 xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
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 xmlns:xbrli='http://www.xbrl.org/2003/instance'
 xmlns:xlink='http://www.w3.org/1999/xlink'
 xmlns:link='http://www.xbrl.org/2003/linkbase'
 xmlns:xfi='http://www.xbrl.org/2008/function/instance'
 xmlns:num='http://www.xbrl.org/dtr/type/numeric'
 xmlns:generic='http://xbrl.org/2008/generic'
 xmlns:formula='http://xbrl.org/2008/formula'
 xmlns:validation='http://xbrl.org/2008/validation'
 xmlns:ca='http://xbrl.org/2008/assertion/consistency'
 xmlns:ea='http://xbrl.org/2008/assertion/existence'
 xmlns:va='http://xbrl.org/2008/assertion/value'
 xmlns:variable='http://xbrl.org/2008/variable'
 xmlns:pf='http://xbrl.org/2008/filter/period'
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 xmlns:uf='http://xbrl.org/2008/filter/unit'
 xmlns:ef='http://xbrl.org/2008/filter/entity'
 xmlns:msg='http://xbrl.org/2010/message'

 xmlns:fac='https://github.com/seattlemethod/sfac8/fac'

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     http://www.xbrl.org/dtr/type/numeric http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd
     http://xbrl.org/2008/generic http://www.xbrl.org/2008/generic-link.xsd
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 <!-- ArcroleRef declarations.  All these are declared by XBRL Formulas. -->
 <link:arcroleRef arcroleURI='http://xbrl.org/arcrole/2008/element-label' xlink:href='http://www.xbrl.org/2008/generic-label.xsd#element-label' xlink:type='simple'/>
 <link:arcroleRef arcroleURI='http://xbrl.org/arcrole/2008/variable-set' xlink:href='http://www.xbrl.org/2008/variable.xsd#variable-set' xlink:type='simple'/>
 <link:arcroleRef arcroleURI='http://xbrl.org/arcrole/2008/variable-filter' xlink:href='http://www.xbrl.org/2008/variable.xsd#variable-filter' xlink:type='simple'/>
 <link:arcroleRef arcroleURI='http://xbrl.org/arcrole/2008/variable-set-precondition' xlink:href='http://www.xbrl.org/2008/variable.xsd#variable-set-precondition' xlink:type='simple'/>
 <link:arcroleRef arcroleURI='http://xbrl.org/arcrole/2008/consistency-assertion-formula' xlink:href='http://www.xbrl.org/2008/consistency-assertion.xsd#consistency-assertion-formula' xlink:type='simple'/>

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 <link:arcroleRef arcroleURI='http://xbrl.org/arcrole/2010/assertion-satisfied-message' xlink:href='http://www.xbrl.org/2010/validation-message.xsd#assertion-satisfied-message' xlink:type='simple'/>
 <link:arcroleRef arcroleURI='http://xbrl.org/arcrole/2010/assertion-unsatisfied-message' xlink:href='http://www.xbrl.org/2010/validation-message.xsd#assertion-unsatisfied-message' xlink:type='simple'/>


 <link:documentation>
     <![CDATA[$ChangeInNetAssets = ($Revenues - $Expenses + $Gains - $Losses)]]>
 </link:documentation>


 <generic:link xlink:type='extended' xlink:role='http://www.xbrl.org/2003/role/link'>
     <va:valueAssertion xlink:type='resource' xlink:label='ASSERTION'
         id='FAC_IS1'
         aspectModel='dimensional'
         implicitFiltering='true'
         test='$ChangeInNetAssets = ($Revenues - $Expenses + $Gains - $Losses)' />

     <generic:arc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/element-label'
          xlink:from='ASSERTION'
          xlink:to='ASSERTION_Label'
          order='1.0'/>

     <label:label xlink:type='resource' xlink:label='ASSERTION_Label' xlink:role='http://www.xbrl.org/2008/role/label'
          xml:lang='en'>
          $ChangeInNetAssets = ($Revenues - $Expenses + $Gains - $Losses)
     </label:label>

     <!-- Arcrole: Assertion to Variable -->
     <variable:variableArc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/variable-set'
            xlink:from='ASSERTION' order='1.0'
            xlink:to='VARIABLE_Revenues'
            name='Revenues'
            />

     <variable:variableArc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/variable-set'
            xlink:from='ASSERTION' order='1.0'
            xlink:to='VARIABLE_Expenses'
            name='Expenses'
            />

     <variable:variableArc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/variable-set'
            xlink:from='ASSERTION' order='1.0'
            xlink:to='VARIABLE_Gains'
            name='Gains'
            />

     <variable:variableArc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/variable-set'
            xlink:from='ASSERTION' order='1.0'
            xlink:to='VARIABLE_Losses'
            name='Losses'
            />

     <variable:variableArc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/variable-set'
            xlink:from='ASSERTION' order='1.0'
            xlink:to='VARIABLE_ChangeInNetAssets'
            name='ChangeInNetAssets'
            />


     <!--  Resource: Fact Variables -->
     <variable:factVariable xlink:type='resource' xlink:label='VARIABLE_Revenues' bindAsSequence='false' />
     <variable:factVariable xlink:type='resource' xlink:label='VARIABLE_Expenses' bindAsSequence='false' />
     <variable:factVariable xlink:type='resource' xlink:label='VARIABLE_Gains' bindAsSequence='false' />
     <variable:factVariable xlink:type='resource' xlink:label='VARIABLE_Losses' bindAsSequence='false' />
     <variable:factVariable xlink:type='resource' xlink:label='VARIABLE_ChangeInNetAssets' bindAsSequence='false' />

     <!--  Arcroles: Variables to Filters -->
     <variable:variableFilterArc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/variable-filter'
            xlink:from='VARIABLE_Revenues'
            xlink:to='FILTER_Revenues' order='1.0' complement='false' cover='true' />

     <variable:variableFilterArc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/variable-filter'
            xlink:from='VARIABLE_Expenses'
            xlink:to='FILTER_Expenses' order='1.0' complement='false' cover='true' />

     <variable:variableFilterArc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/variable-filter'
            xlink:from='VARIABLE_Gains'
            xlink:to='FILTER_Gains' order='1.0' complement='false' cover='true' />

     <variable:variableFilterArc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/variable-filter'
            xlink:from='VARIABLE_Losses'
            xlink:to='FILTER_Losses' order='1.0' complement='false' cover='true' />

     <variable:variableFilterArc xlink:type='arc' xlink:arcrole='http://xbrl.org/arcrole/2008/variable-filter'
            xlink:from='VARIABLE_ChangeInNetAssets'
            xlink:to='FILTER_ChangeInNetAssets' order='1.0' complement='false' cover='true' />



     <!-- Resource: Concept Filter -->
     <cf:conceptName xlink:type='resource' xlink:label='FILTER_Revenues'>
         <cf:concept>
             <cf:qname>fac:Revenues</cf:qname>
         </cf:concept>
     </cf:conceptName>

     <cf:conceptName xlink:type='resource' xlink:label='FILTER_Expenses'>
         <cf:concept>
             <cf:qname>fac:Expenses</cf:qname>
         </cf:concept>
     </cf:conceptName>

     <cf:conceptName xlink:type='resource' xlink:label='FILTER_Gains'>
         <cf:concept>
             <cf:qname>fac:Gains</cf:qname>
         </cf:concept>
     </cf:conceptName>

     <cf:conceptName xlink:type='resource' xlink:label='FILTER_Losses'>
         <cf:concept>
             <cf:qname>fac:Losses</cf:qname>
         </cf:concept>
     </cf:conceptName>

     <cf:conceptName xlink:type='resource' xlink:label='FILTER_ChangeInNetAssets'>
         <cf:concept>
             <cf:qname>fac:ChangeInNetAssets</cf:qname>
         </cf:concept>
     </cf:conceptName>


 </generic:link>

</link:linkbase>