_:vb918921	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb918920 .
_:vb918917	<http://www.w3.org/2002/07/owl#unionOf>	_:vb918921 .
_:vb918921	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/ns/prov#Delegation> .