_:vb939898	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#Abstract> .
_:vb939893	<http://www.w3.org/2002/07/owl#unionOf>	_:vb939898 .
_:vb939898	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb939897 .