the leg of a person
the black and brown shoe
a lime green wheel
a black skateboard
a black sock on the person
a pair of black shorts
a metal edge on the ramp
a crack in the ramp
a scuff on the person's knee
the knee of the person
skateboard with blue and green designs
skateboard with green wheels
skateboard on skate ramp
person with scraped knee
person wearing cut off pants
black shoes with brown soles
person wearing black shoes
shadow on skateboard ramp
two legs in photograph
person balancing on skateboard
Cutoff blue jean shorts
Green rear wheel on skateboard
Black shoes and brown socks
Metal rimming on concrete
Boys legs on skateboard
Shadow of boy on concrete
Red spot on boy's left knee
Black skateboard with green writing
Green front skateboard wheel
Brown sole on black shoes
Yellow wheel on a skateboard
skateboard a kid is riding
black shoe a kid is wearing
injury on a kids knee
rails for the skateboard to ride on
black socks
cut off shorts
skate park for skateboarding
shadow of boy on skateboard
concrete for skateboarding
the man's socks are black
the skateboard is black
the skateboard wheels are yellow
the man's shoes are black
the man is skateboarding
the ground is brown
the man's shorts are blue
a red mark is on the man's leg
a shadow of the skateboard and man is on the ground
the sun is shining on ground

Objects:
knee
person
wheel
skateboard
shoe
shoe
sock
sock
rimming
boy's leg
boy's leg
shadow
boy
concrete
spot
knee
writing
wheel
sole
shoe
wheel
kid
shoe
knee
rails
sock
shorts
concrete
man
sock
sock
wheel
wheel
shoe
ground
shorts
mark
leg

Attributes:
name: knee
attrs: injured
name: person
name: wheel
attrs: yellow
green
name: skateboard
attrs: black
name: shoe
attrs: black
name: sock
attrs: brown
black
name: rimming
attrs: metal
name: boy's leg
name: shadow
name: boy
name: concrete
name: spot
attrs: red
name: writing
attrs: green
name: sole
attrs: brown
name: kid
name: rails
name: shorts
attrs: blue
cut off
name: man
attrs: skateboading
name: ground
attrs: brown
name: mark
attrs: red
name: leg

Contrastive attributes: