With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Twilight Saga is only one film.
text_B: Firing at a vehicle is a controversial practice in which a person discharges a gun at an automobile .. Many police departments , including those of New York City , Virginia Beach , and Prince William County , Virginia , have rules specifically banning officers from engaging in it , even when the officer is about to be run down by the vehicle .. New York City. New York City. Virginia Beach. Virginia Beach. Firing at a vehicle is viewed as being generally ineffective and posing many risks .. For instance , the bullet may go through the car windows and strike an innocent bystander on the other side .. Not only that , but firing at an automobile may bounce the bullet back at the officer , if the metal is strong enough .
not_related.