_:vb915519	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb915518 .
_:vb915516	<http://www.w3.org/2002/07/owl#unionOf>	_:vb915519 .
_:vb915519	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/ns/prov#Activity> .