a man riding a motorcycle
the number 20 on the front of the motorcycle
a pair of goggles
a motorcycle helmet
a leather jacket
a crowd of people watching the biker
a building in the background
a banner hanging up in the background
a row of bricks lining the curb
a bandanna on the biker's face
A man riding a motorcycle
A large number twenty
A metal helmet on top of someone's head
A large crowd of people
Shadows on the pavement
Large wheels on a motorcycle
A black jacket
The side of a house
A two wheeled machine used for transportation
Goggles
a man riding a bike
a man wearing a helmet
a man wearing goggles
a man wearing a bandana
a man wearing a jacket
a man wearing gloves
a man riding on a road
people watching the man riding the bike
a group of people
motorcycle on the road.
Shadows on the ground.
Sunlight on the road.
20 sign on the bike.
Helmet on the man.
People in the background.
Grass by the road.
Building in the background.
Curb by the road.
Tree in the background.
The front wheel of a motorcycle.
A sign with the number 20.
A group of several spectators.
A dome shaped bike helmet.
A partially obscured banner.
A window in the background.
Dirt on the side of the paved road.
A man on a motorcycle.
A very large group of spectators.
A rain gutter coming from the roof of the building.

Objects:
man
motorcycle
helmet
jacket
leather jacket
bandanna
face
man
person
person
person
person
person
crowd
pavement
shadow
shadow
jacket
house
machine
man
bike
helmet
man
man
bandana
man
jacket
man
glove
bike
20
man
helmet
grass
road
building
background
curb
road
helmet
bike
window
background
paved road
man
motorcycle
group
spectator
spectator
spectator
spectator
spectator
gutter
roof
ground
building

Attributes:
name: man
name: motorcycle
name: helmet
attrs: motorcycle
name: jacket
attrs: leather
black
name: leather jacket
name: bandanna
name: face
attrs: biker's
name: person
name: crowd
attrs: large
name: pavement
name: shadow
name: house
name: machine
attrs: two wheeled
name: bike
name: bandana
name: glove
name: 20
name: grass
name: road
name: building
name: background
name: curb
name: window
name: paved road
attrs: dirt
name: group
name: spectator
name: gutter
name: roof
name: ground

Contrastive attributes: