<?xml version="1.0"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
         xmlns:s="urn:squarefree:a1:">
  <rdf:Description about="urn:root">
    <s:grapes>
      <rdf:Bag>
        <rdf:li>
          <rdf:Description/>
        </rdf:li>
      </rdf:Bag>
    </s:grapes>
 </rdf:Description>
</rdf:RDF>