_:vb917877	<http://www.w3.org/2002/07/owl#unionOf>	_:vb917881 .
_:vb917881	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb917880 .
_:vb917881	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/ns/prov#Delegation> .