_:vb913499	<http://www.w3.org/2002/07/owl#unionOf>	_:vb913503 .
_:vb913503	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb913502 .
_:vb913503	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/ns/prov#Activity> .