the boy is skateboarding
the boy is skateboarding
the helmet is gold
the helmet is gold
boy wearing a gold helmet
boy wearing a gold helmet
a golden helmet on his head
a wooden ramp
a boy riding a skate board on a wooden ramp
a blue and black shirt
black and white shorts
black and white sneakers on a skate board
a metal roll down gate
a white dirty wall
a black door
a skate board wheel
the shirt is blue
the shorts are black
the guy is on a skateboard
the surface  is curved
shadow is on the ground
the surface is wooden
the gate is mettalic
the elbow sleeves are black
the helmet is golden
the sport is indoors
He has a gold helmet.
He has a blue shirt.
He is wearing black pants.
He has black shoes on.
The skateboard is brown.
The half pipe is brown.
The door is grey.
The wall is white.
He is skateboarding.
He is moving.
A man riding on a skateboard ramp.
A skateboard on a ramp.
a helmet on a man.
A large wooden skateboard ramp.
a pair of black shorts.
a man wearing a blue shirt.
a dark doorway.
a man in a helmet.
a light spot on a wooden ramp.
a wall near a wooden ramp.

Objects:
boy
helmet
ramp
skateboard
shirt
shorts
sneakers
wall
door
surface
shadow
ground
elbow sleeves
pipe
ramp

Attributes:
name: boy
attrs: skateboarding
moving
name: helmet
attrs: gold
golden
name: ramp
attrs: wooden
indoors
name: skateboard
attrs: brown
name: shirt
attrs: black
blue
name: shorts
attrs: white
black
name: sneakers
attrs: white
black
name: wall
attrs: white
white dirty
name: door
attrs: mettalic
grey
dark
black
name: surface
attrs: wooden
curved
name: shadow
name: ground
name: elbow sleeves
attrs: black
name: pipe
attrs: brown

Contrastive attributes:
attr1: black
attr2: white
nouns: shorts
sneakers