_:vb57002	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil> .
_:vb57001	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
_:vb57001	<http://www.w3.org/2002/07/owl#unionOf>	_:vb57003 .
_:vb57002	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/2002/12/cal/ical#Vtodo> .
_:vb57003	<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>	<http://www.w3.org/2002/12/cal/ical#Vevent> .
_:vb57003	<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>	_:vb57002 .