?  slide 7

Inside <award-group>

<funding-source> and <support-source> are now alternatives

<support-group>
  <funding-group>
     <award-group> 
       <funding-source>...</funding-source>
     </award-group>
  </funding-group>

  <contributed-resource-group resource-type="office-space">
     <award-group>
       <support-source>...</support-source>
     </award-group>
     <support-description><p>XYZ supplied office space for 
       4 researchers for 2 months</p></support-description>
  </contributed-resource-group>
</support-group>
 ?