the front wheel of the bike
the back wheel of the bike
the white boot of the biker
the black and red helmet of the biker
the goggles of the biker
the black and white knee pad
the number 10 on the bike
the white plastic front
the red bike seat
the shadow of the tire
a shadow on the ground
a shadow in the dirt
a front wheel of a dirt bike
a back wheel of a dirt bike
a black number on a dirt bike
a red and white dirt bike
a blue and white sky
white cluds in the sky
a shadow of a wheel
a person on a dirt bike
a red wnd white dirt bike
a front wheel on a dirt bike
a back wheel on a dirt bike
black numbers on a dirt bike
a red and black helmet
a white shoe on a foot
dust on the road
died bushy on a hill
man doing small jump on dirt bike
white and red dirt bike with black number printed
the number sixteen is printed in black
front spoked tire of a dirt bike
a cloud of dust from a dirt bike
man is wearing a visored red and black helmet
man is wearing black, red, and white
scrubby desert-like brush on a small hill
dirt and gravel road for biking
shadow of the man and his bike
a man on a motorcycle
a man riding a motorcycle
a man on a bike
a man rding a motorcycle
a man wearing a helmet
a man wearing a jacket
a man wearing patns
motorcycles on the ground
motorcycle in the air
a sky that is blue

Objects:
bike
wheel
wheel
biker
boot
biker
helmet
goggles
biker
knee pad
number 10
front
bike seat
shadow
tire
shadow
ground
shadow
dirt
front wheel
dirt bike
back wheel
number
sky
clouds
shadow
wheel
person
dirt bike
back wheel
numbers
helmet
shoe
dust
road
bush
hill
man
number
number
tire
dust cloud
man
hill
brush
road
shadow
motorcycle
helmet
jacket
pants
ground

Attributes:
name: bike
attrs: white and red
name: wheel
attrs: back
name: biker
name: boot
attrs: white
name: helmet
attrs: red
visored
red and black
black
name: goggles
name: knee pad
attrs: white
black
name: number 10
name: front
attrs: plastic
white
name: bike seat
attrs: red
name: shadow
name: tire
attrs: spoked
front tire
name: ground
name: dirt
name: front wheel
name: dirt bike
attrs: red
white
name: back wheel
name: number
attrs: printed
black
sixteen
name: sky
attrs: white
blue
name: clouds
attrs: white
name: person
name: numbers
attrs: black
name: shoe
attrs: white
name: dust
name: road
attrs: dirt
gravel
name: bush
attrs: dead
name: hill
attrs: small
name: man
name: dust cloud
name: brush
attrs: desert-like
scrubby
name: motorcycle
name: jacket
name: pants

Contrastive attributes:
attr1: black
attr2: white
nouns: knee pad