wheel on a skateboard
wheel on a skateboard
wheel on a skateboard
wheel on a skateboard
black safety gear worn by skater
black safety gear worn by skater
black safety gear worn by skater
black safety gear worn by skater
white helmet made of plastic
logo on a shirt
Skateboard in the air.
White helmet on rider.
Wristband on skateboarder's wrist.
Black tennis shoes on rider.
Shoulder pad on skateboarder.
Kneepad on skateboarder's leg.
Khaki shorts on rider.
Blue shirt on rider.
Protective helmet on rider.
Black skateboard on feet.
a man with a white helmet
a skateboard up side down
a man up side down on a skate board
a man with a blue shirt on
a man with knee pads on
a man wearing elbow pads
a crowd of people watching a man skate boarding
a man wearing a white helmet with a strap on it
a red logo on a blue shirt
a skate board ramp
people waiting to skateboard
speectators watching skateboarders
man upside down doing a skateboard trick
white safety skateboarding helmet
black skateboard with white wheels
black elbow pad on mans arm
large brown skateboard ramp
blue port-a-potty with a white roof
black knee pads on skateboarders leg
tents set up for an expo in the background
man wearing a blue shirt
black band around the arm
white helmet on the man head
red sign on the shirt
man is wearing brown short
knee pads on the leg
man is wearing tennis shoes
person wearing sun glasses
porter potty is white and blue
skateboard is up in the air

Objects:
skateboard
wheel
wheel
wheel
wheel
wheel
skateboard
helmet
logo
skateboard
rider
shoes
ground
shorts
shirt
rider
protective helmet
rider
feet
man
pads
man
pads
crowd
logo
people
skateboard
pad
arm
ramp
skateboarder
knee pads
man
shirt
band
arm
helmet
head
sign
shirt
knee pads
leg
shoes
man
person
sun glasses
skateboard

Attributes:
name: skateboard
attrs: in air
upside down
black
in the air
name: wheel
name: helmet
attrs: plastic
white
name: logo
attrs: red
shirt's
name: rider
name: shoes
attrs: black
of tennis
name: ground
name: shorts
attrs: khaki
name: shirt
attrs: blue
name: protective helmet
attrs: protective
name: feet
name: man
name: pads
attrs: for knee
for  elbow
name: crowd
attrs: people
name: people
name: pad
attrs: black
name: arm
name: ramp
attrs: brown
large
name: skateboarder
name: knee pads
attrs: black
name: band
attrs: black
name: head
name: sign
attrs: red
name: leg
name: person
name: sun glasses

Contrastive attributes: