black and white sign on bike
red and black outfit on biker
white ground beneath the rider
front tire of bike
orang and blue helmet on biker
three bikers riding on a course
orange pants on man
helmet on the rider
letters on the man
yellow sign on bike
snow on the ground
three people dressed in team uniforms riding dirt bikes
dirt bike helmet
small video camera
dirt bike rider wearing red, black and white uniform
white dirt bike sign with black number 44
three dirt bike riders racing in the snow
top part of orange plastic cone
orange and black helmet
front tire of dirt bike
man on a motorcycle
man on a motorcycle
man on a motorcycle
man wearing a helmet
man wearing a helmet
man wearing a helmet
a motorcycle being ridden
a motorcycle being ridden
a motorcycle being ridden
a group of motorcycle riders
a rider with his foot extended
contestant number on cycle
helmet on the bike rider
glove on rider's right hand
glove on rider's left hand
front tire of motor bike
orange helmet with goggles
motorbikes on light colored surface
tall white boot on left foot
white boot on right foot
the head of a person
the arm of a person
the hand of a person
the leg of a person
a white boot on the person
a number on the motorcycle
the black tire of the motorcycle
a pair of handle bars
white snow on the ground
a person on a motorcycle

Objects:
bike
sign
outfit
ground
front tire
helmet
bikers
man
pants
letters
video
biker
number 44
orange cone
extended foot
glove
goggles
bikes
white boot
head
arm
hand
leg
handle bars

Attributes:
name: bike
attrs: white
being ridden
name: sign
attrs: yellow
white
black
name: outfit
attrs: red
red white
black
name: ground
attrs: white
name: front tire
attrs: black
name: helmet
attrs: orange
dirt
black
blue
name: bikers
attrs: three
3
name: man
name: pants
attrs: orange
name: letters
name: video
attrs: small camera
name: biker
name: number 44
name: orange cone
attrs: plastic
name: extended foot
name: glove
name: goggles
name: bikes
name: white boot
attrs: on right foot
name: head
name: arm
name: hand
name: leg
name: handle bars

Contrastive attributes:
attr1: black
attr2: white
nouns: sign