<http://caligraph.org/ontology/Emergency_vehicle>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Emergency_vehicles> .
<http://caligraph.org/ontology/Emergency_vehicle>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Vehicle> .
<http://caligraph.org/ontology/Tow_truck>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Emergency_vehicle> .
<http://caligraph.org/ontology/Fire_service_vehicle>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Emergency_vehicle> .
<http://caligraph.org/ontology/Emergency_vehicle>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/Police_vehicle>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Emergency_vehicle> .
<http://caligraph.org/ontology/Emergency_vehicle>	<http://www.w3.org/2000/01/rdf-schema#label>	"Emergency vehicle" .