men sitting on skateboards
wheels of the skateboard
the shirt is white
hair on the head
leg of the man
top of the skateboard
wheel of the skateboard
the ground is concrete
steps in the background
elbow of the man
people sitting on skateboards.
the wheels are white.
black and white photo.
person looking at the camera.
person's shirt is grey.
person's shirt is white.
person's hair is black.
the skate board is black.
people walking in the distance.
stains on the ground.
wheels of the skateboard
the shirt is white
the shirt is grey
face of the man
leg of the man
top of the skateboard
top of the skateboard
elbow of the man
This is a boy
This is a boy
two boys sitting with skateboards
two skateboarders on the ground
two skateboards next to the boys
gray shirt on the boy
white shirt on the boy
boy looking at the camera
couple walking by the stairs
black shorts on the boy
black pants on the boy
people sitting on the stairs

Objects:
boys
skateboards
wheel
skateboard
wheel
wheel
skateboard
wheel
shirt
hair
head
hair
head
boy
leg
boy
leg
skateboard surface
skateboard surface
ground
steps
elbow
elbow
sky
shirt
people
stains
wheels
face
couple
shorts
pants

Attributes:
name: boys
name: skateboards
name: wheel
attrs: white
name: skateboard
attrs: black
name: shirt
attrs: grey
white
gray
name: hair
attrs: black
name: head
name: boy
name: leg
name: skateboard surface
attrs: rough
black
name: ground
attrs: concrete
name: steps
attrs: concrete
name: elbow
name: sky
attrs: black
name: people
name: stains
name: wheels
name: face
name: couple
name: shorts
attrs: black
name: pants
attrs: black

Contrastive attributes: