a skateboard with orange wheels
a black helmet on a man's head
black knee pads on a man's knees
black elbow pads on man's elbows
blue helmet on man's head
a black shirt on a man
a blue shirt on a man
a skateboard
a sign on the wall
grey and yellow skateboard shoes
A man is skateboarding.
A man is wearing a helmet.
The color of a helmet is black.
A man is wearing elbow guards.
A man is wearing a black shirt.
A man is wearing knee guards.
The color of knee guards is black.
The colors of a skateboard are yellow, black, and red.
A man's shadow is on a wall.
A man is sitting behind a skateboarder.
Man wearing elbow pads
Man is wearing elbow pads
Man wearing black elbow pads
Man is wearing black elbow pads
Man wearing knee pads
Man is wearing knee pads
Man wearing black knee pads
Man is wearing black knee pads
Man wearing a helmet
Man is wearing a helmet
Man doing tricks on a skateboard
Indoor wood skating ramp
Man upside down on a skateboard
Man standing on one hand
Man carrying a skateboard
Yellow skateboard with yellow and orange wheels
Skateboarder wearing black padding and helmet
Two skaters observing
Black sign with a white arrow
Four people at an indoor skate park
The skateboard rink is brown
The man has on a helmet
The hand of the man
The man has on a black shirt
The man has on a knee pad
The skateboard is the color yellow
The building s made of brick
The man has on a blue shirt
A man standing down below
The man has on an elbow pad

Objects:
wheels
wheels
skateboard
helmet
man
knee pad
knee pad
elbow pad
elbow pad
shirt
man
shirt
sign
wall
shoe
shoe
shadow
wall
elbow pad
helmet
skate ramp
hand
skateboard
arrow

Attributes:
name: wheels
attrs: orange
name: skateboard
attrs: yellow
black
name: helmet
attrs: black
name: man
attrs: standing
skateboarding
upside down
observing
sitting
name: knee pad
attrs: black
name: elbow pad
attrs: black
name: shirt
attrs: black
blue
name: sign
attrs: white
black
name: wall
name: shoe
attrs: yellow
gray
name: shadow
name: skate ramp
attrs: brown
wood
indoors
name: hand
name: arrow
attrs: white

Contrastive attributes:
attr1: black
attr2: white
nouns: sign
attr1: standing
attr2: sitting
nouns: man