About: police siren

Premodifier: police
Head noun: siren

Same concepts
http://dbpedia.org/resource/Siren_(alarm)

Broader concepts

label	provenance	confidence
sound effect	isap:155359545	0.796701
sound	isap:364921299	0.741938
noise	isap:366887369	0.528830
loud noise	isap:366887363	0.524415
city	isap:204373447	0.467558
signal	isap:154573308	0.405946

Narrower concepts

label	provenance	confidence