the pace car is a motorbike
rider in an aerodynamic helmet
a bike with tires of two sizes
a bike with red stirrups
a motorbike designed for standing
a helmet with communications headphones
a unique set of handlebars
an unbalanced array of spokes
two riders, one working hard
two bikes below the blue line
The man on the motorcycle is pulling the cyclist.
The cyclist is wearing a neon colored helmet.
The cyclist is wearing a spandex suit.
The man on the motorcycle has a large helmet on.
The men are on a track.
There are people in the stands watching the two men.
There is a barrier separating the track from the stands.
The man on the motorcycle is wearing a bib.
The bib has the number three written on it.
A chain-link fence.
a man on a motorbike
a man on a bicycle
green and black bicycle helmet
audience for the riding event
retaining wall for protection
Uniformed official wearing a helmet
front motorcycle tire
bicycle riding clothing, shorts and top
rear bicycle tire
man in the audience wearing a hat
white track sidewall
mottled brown and white racetrack
People sitting in stands
Rider in black and white
Cyclist in purple and yellow
cyclist with green helmet
Man with green shoes
black and silver motorbike
Red footrest on bike
Man with white numbered jersey
A man is riding a motorcycle.
A person is riding a bicycle.
A person is wearing a striped helmet.
A man is wearing a black and white uniform.
A man is wearing a vest with the number 3 on it.
A person is wearing striped shoes.
The color of this helmet is green and black.
A person is wearing a white, yellow, and purple outfit.
A white barrier is behind the riders.
A group of people are in the stands.

Objects:
motorbike
rider
helmet
rider
helmet
bike
tire
tire
stirrup
headphones
handlebar
motorbike
handlebar
spokes
line
ground
person
person
stand
bib
person
shoes
barrier
person
person
person
person
person
person
person

Attributes:
name: motorbike
attrs: black
silver
standing
name: rider
attrs: working
focused
riding
pulling
wearing
name: helmet
attrs: striped
green
name: bike
name: tire
name: stirrup
attrs: red
name: headphones
name: handlebar
attrs: unique
name: spokes
name: line
attrs: blue
name: ground
attrs: brown
gray
name: person
attrs: watching
name: stand
attrs: white
name: bib
name: shoes
name: barrier
attrs: white

Contrastive attributes:
attr1: black
attr2: silver
nouns: motorbike
attr1: brown
attr2: gray
nouns: ground