A street sign.
A couple sit on the curb.
A person takes a picture.
Flags wave off the bike.
The police ride their bikes in a parade.
A bike policeman rides in a parade.
The kids sit on the curb.
A tree stands tall.
A building in the background.
A steel fence.
red motorcycle light
blue motorcycle light
police officer riding a motorcycle
white print on a motorcycle reading Police
round white motorcycle light
white and black motorcycle helmet
USA flag on a motorcycle
police officers riding motorcycles on a street
people seating on a curb
red and white sign on a pole
yellow lines in the street
red and white street sign
white line in the street
man wearing a blue long sleeve shirt
blue light on the motorcycle
red light on the motorcycle
white headlight on the motorcycle
red, white and blue flag
white and black helmet
man wearing a red shirt
he is riding the bike
the person  is holding a camera
she has no shoes on
the helmet is white
they are sitting on the curb
the shirt is white
the shirt is black
the blind is closed
the blind is open
the lights are on
the flags waving in the wind
the american flag on the pole
the white sign on the pole
the round street lamp
the people sitting on the curb
the person taking a picture
the flashing police lights
the headlight on the bike
the motorcycle on the road
the white helmet on the police officer

Objects:
curb
couple
bike
policeman
curb
kids
background
building
fence
light
usa flag
motorcycle
sign
pole
line
street
motorcycle
light
helmet
helmet
helmet
helmet
person
camera
shoes
helmet
helmet
helmet
helmet
white shirt
blind
blind
lights
lights
lights
lights
lights
lights
people
curb
person
police
police lights
road
motorcycle
helmet
police officer

Attributes:
name: curb
name: couple
name: bike
name: policeman
name: kids
name: background
name: building
name: fence
attrs: steel
name: light
attrs: red
white
round
name: usa flag
attrs: usa
name: motorcycle
name: sign
attrs: red
white
name: pole
name: line
attrs: white
name: street
name: helmet
attrs: white
black
name: person
name: camera
name: shoes
name: white shirt
attrs: white
name: blind
attrs: closed
open
name: lights
attrs: on
name: people
name: police
name: police lights
attrs: flashing
name: road
name: police officer

Contrastive attributes:
attr1: black
attr2: white
nouns: helmet
attr1: open
attr2: closed
nouns: blind