man wearing black pants
man wearing white socks
kneepad on left knee
kneepad on right knee
man wearing clear glasses
man wearing black helmet
wheel on left of board
man face looking down
white wheels on the skate
bottom of a skateboard
white shirt on boy
ramp is gray
glasses on the face
black helmet on the head
white lettering on the side of helmet
blue wall in the back of person
hole in bottom of shoe
Person wearing helmet on head.
Person wearing glasses on face.
Person wearing black shorts.
Person wearing black and white knee pad.
Person standing on skateboard.
a man is on a skateboard
shadow of a skateboard on the ground
lines in cement
black and white checkered knee pad
eyeglasses on a man's eyes
skateboarders arms are up for balance
black helmet on man's head
black skateboarding shoes
skateboarding is doing a trick
red and yellow skateboard
skateboard
cement wall
skater at the skate park
skater wearing glasses
knee pads on skater
skater wearing white shirt while skating
skate shoes

Objects:
man
pants
man
socks
kneepad
knee
knee
kneepad
man
glasses
man
helmet
board
wheel
skate
wheel
wheel
boy
shirt
ramp
face
glasses
head
helmet
helmet
lettering
person
wall
hole
shoe
helmet
glasses
shorts
knee pad
skateboard
man
ground
shadow
knee pad
eye
eye
eyeglasses
shoe
skateboard
wall
skate park
skater
glasses
skater
knee pads
shirt
skater
skate shoes

Attributes:
name: man
name: pants
attrs: black
name: socks
attrs: white
name: kneepad
name: knee
name: glasses
attrs: clear
name: helmet
attrs: black
name: board
name: wheel
attrs: white
name: skate
name: boy
name: shirt
attrs: white
name: ramp
attrs: gray
name: face
name: head
name: lettering
attrs: white
name: person
name: wall
attrs: cement
blue
name: hole
name: shoe
attrs: black
name: shorts
attrs: black
name: knee pad
attrs: white
checkered
black
name: skateboard
attrs: red
yellow
name: ground
name: shadow
name: eye
name: eyeglasses
name: skate park
name: skater
name: knee pads
name: skate shoes

Contrastive attributes:
attr1: black
attr2: white
nouns: knee pad
attr1: red
attr2: yellow
nouns: skateboard