this is a police officer
the cop on motorcycle
the motorcycle is black
a man on a bike
a police motorcycle cop
policeman on black motorcycle
dark blue police uniform
this is a person
black motorcycle in street 
police officer on motorcycle 
Policeman on a motorcycle
People watching the parade go by
Motorcycle on which a policeman sits.
Policeman sitting on a motorcycle.
people on a street as a policeman and another person are riding a motorcycle through the middle of the road