_:vb940021	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.ontologydesignpatterns.org/ont/dul/DUL.owl#Event> .
_:vb940019	<http://www.w3.org/2002/07/owl#unionOf>	_:vb940021 .
_:vb940021	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb940020 .