person skateboarding on sidewalk
orange traffic cone
black hand and wrist band
pair of black kneepads
pair of blue and white skate shoes
black skateboard with red and blue wheels
red helmet with black chin straps
blue wheels on skateboard
brown tree trunk
red wheels on bottom of skateboard
a man riding a skateboard
skateboard with blue and red wheels
a line of orange cones
motorcycle in the background
the cone in the front
black knee pads
red safety helmet
a pair of black gloves
navy blue shirt
a pair of cargo shorts
A MAN ON A SKATEBOARD
A RED HELMET
A BLUE TEE SHIRT
A PAIR OF KNEE PADS
A WOODEN SKATEBOARD
RED AND BLUE SKATEBOARD WHEELS
AN ORANGE TRAFFIC CONE
A PAIR  OF SHOES
A BLACK WRIST GUARD
PEOPLE IN THE BACKGROUND
A red skateboarding helmet.
An orange traffic cone.
The front wheels are blue.
The rear wheels are red.
Several traffic cones lined up.
A thick, black knee pad.
A black wrist band.
A blue, blurry sign in the background.
A man riding a skateboard.
Several dead trees in the background.
a man with a red helmet
a man wearing a blue shirt
a man on a skate board
a skate board wheels
a man wearing knee pads
a triangle shaped cone
a man wearing brown shorts
a man with shoes on
a tree with no leaves on it
a green tall pole

Objects:
person
sidewalk
cone
hand
wristband
kneepad
shoes
skateboard
wheels
helmet
straps
tree
orange
cones
motorcycle
road
knee
red
black
gloves
shirt
shorts
tan
blue
people
background
sign
trees
pole

Attributes:
name: person
name: sidewalk
name: cone
attrs: triangle
orange
name: hand
attrs: black
name: wristband
attrs: black
name: kneepad
attrs: black
name: shoes
attrs: white
blue
name: skateboard
attrs: wooden
black
name: wheels
attrs: red
colored
blue
name: helmet
attrs: red
name: straps
name: tree
attrs: brown
name: orange
name: cones
name: motorcycle
name: road
name: knee
name: red
name: black
name: gloves
name: shirt
attrs: blue
name: shorts
name: tan
name: blue
name: people
attrs: walking
name: background
name: sign
attrs: blue
name: trees
attrs: dead
name: pole
attrs: green

Contrastive attributes:
attr1: blue
attr2: red
nouns: wheels