Man is holding skateboard.
Skateboard has four purple wheels.
Man is wearing a helmet.
Man is wearing knee pads.
Man is wearing yellow hoodie.
Man is wearing gray pants.
Skateboard lying on the grass.
Skateboard has four green wheels.
Skateboard is long and narrow.
All five men are wearing helmets.
A skate board with purple wheels
A skate board with green wheels
A large wooden skate board with green wheels
A laughing man wearing knee pads
A laughing man holding a skate board
A group of four men
A man wearing a yellow shirt
A man with a blue helmet holding a skate board
A man wearing a black helmet
A group of five men with skate boards
five people in helmets
knee pads on a skateboard
a man expecting victory
a skateboarder in a yellow shirt
a skateboarder looking up
a skateboarder looking up
skate board with green wheels
a guy with an open mouth
a man squatting
a man with a blue helmet
The skateboard held above the man's head
The skateboard lying on the ground with green wheels
The watermark on the photo
The white knee pads
The man with the blue helmet
The skateboard held by the man with the blue helmet
The white tree behind the men
The brown tree behind the men
The grass field the men are standing on
The orange wheel of a skateboard
wooden skateboard with green wheels
white knee pads being worn
black helmet on someones head
pair of gray pants
black knee pads worn over pants
blue helmet on a mans head
wooden skateboard with burgundy wheels
people posing for the picture
red and white shoes
yellow sweatshirt with a black drawing

Objects:
man
skateboard
man
skateboard
man
skateboard
wheel
wheel
wheel
wheel
helmet
helmet
helmet
man
helmet
man
helmet
knee pads
knee pads
knee pads
hoodie
pants
skateboard
grass
wheel
wheel
wheel
wheel
wheel
wheel
group
knee pads
mouth
head
watermark
photo
tree
tree
field
wheel
skateboard
head
head
head
pants
head
shoes
drawing

Attributes:
name: man
attrs: expecting
looking
squatting
laughing
lauging
name: skateboard
attrs: narrow
large
long
wooden
name: wheel
attrs: orange
burgundy
green
purple
name: helmet
attrs: black
blue
name: knee pads
attrs: white
black
worn
name: hoodie
attrs: yellow
name: pants
attrs: gray
name: grass
name: group
attrs: posing
standing
name: mouth
attrs: open
name: head
name: watermark
name: photo
name: tree
attrs: brown
white
name: field
attrs: grass
name: shoes
attrs: red
white
name: drawing
attrs: black

Contrastive attributes:
attr1: black
attr2: white
nouns: knee pads