ASK WHERE {
	<http://rdfa.digitalbazaar.com/test-suite/test-cases/xhtml1/0104.xhtml#interfenestration> <http://www.example.org/size> _:a . 
 	_:a <http://www.w3.org/1999/02/22-rdf-syntax-ns#value> "17" .
 	_:a <http://www.example.org/unit> "character" .
 }
