Man is wearing a helmet
Two men on skateboards
Skateboard wheel is blue
Man is casting a shadow
Skateboard wheels are lime green
Skateboards are racing on concrete
A mountain is in the background
Photo was taken in the daytime
Man is wearing a red helmet
Clouds are in the sky
skateboard with bright green wheels
man riding on a skateboard
two men racing on skateboards
shadow on the pavement
safety barricade on race course
man wearing black helmet
man in red helmet
man racing skateboard
skateboard with colorful wheel
grass covered hills
The skateboarder fully shown
The skateboarder only partially shown
The skateboard of the person in green
The shadow of the boarder in green
The white boundary to the road
The number 098
The skateboard with green wheels
The hills behind the white barrier
The sky above the hill
The helmet of the nearest boarder
the skateboarder with numbers on the back
the shadow from the skateboarder with numbers
the black helmet
the clear shield on the black helmet
the green mountains in the distance
the four green wheels
the blue and red wheel
the green trees in the distance
the white items along the pavement
the green, white and red jacket
A man on a skateboard.
The man croutches low.
The wheels are green.
Blue wheels on the skateboard.
Pads on the knee.
Tres on the hill.
The shadow of the skateboarder.
Shoes on the board.
A red helmet.
The boarders black helmet.

Objects:
man
helmet
skateboard
wheel
shadow
wheel
concrete
mountain
man
helmet
sky
wheel
skateboard
edge
pants
number
shirt
shadow
jacket
pad
knee
shoe

Attributes:
name: man
attrs: racing
name: helmet
attrs: red
black
name: skateboard
name: wheel
attrs: green
blue
name: shadow
name: concrete
name: mountain
attrs: grassy
green
name: sky
attrs: blue
name: edge
attrs: white
name: pants
attrs: green
name: number
name: shirt
name: jacket
attrs: green
name: pad
name: knee
name: shoe

Contrastive attributes:
attr1: blue
attr2: green
nouns: wheel