About: http://webisa.webdatacommons.org/139176651

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Ambulances, fire trucks, police cars, and other emergency vehicles utilize warning lights to produce light signals of various colors and patterns.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com