part of a cloud
part of  a helmet
edge of a cloud
part of a guard
motocross rider doing a backflip
rubber tire with lots of tread
white safety chest protector
motocross open-faced helmet
human hand gripping handlebar
metal muffler on a motored bike
horizontal line of cloud in sky
plastic heat shield cover
white pants
panoramic view of sky with clouds
rider upside down on motorbike
two wheels on motorbike
underside of bike fender
helmet on biker's head
white uniform on biker
thin white cloud in sky
chain on wheels of bike
hand on bike handlebar
protective plate on biker
boot on biker's foot
clear blue skies overhead
soft white clouds in the sky
small tail on white cloud
grooves in black wheel
large black wheel on bike
silver spokes in wheel
helmet on rider's head
gloves on rider's hand
long sleeve of white shirt
rider on racing bike
this is a motorists
this is an helmet
the helmet is black in color
this is the motorbike
this is a wheel
this is exhaust pipe
this is the sky
the sky is blue in color
these are the clouds
the wheel is black in color

Objects:
part
guard
rider
backflip
tire
chest
helmet
handlebar
muffler
cloud
sky
shield
pants
clouds
motorbike
wheels
head
chain
hand
plate
biker
boot
spokes
gloves
shirt
this
wheel

Attributes:
name: part
name: guard
name: rider
attrs: white
name: backflip
attrs: motorist
name: tire
attrs: rubber
black
name: chest
attrs: white
name: helmet
attrs: open
black
name: handlebar
name: muffler
attrs: exhaust
metal
name: cloud
attrs: white
name: sky
attrs: sky
clouds
blue
name: shield
attrs: plastic
name: pants
attrs: white
name: clouds
name: motorbike
attrs: motorbike
black
name: wheels
name: head
attrs: helmet
name: chain
name: hand
name: plate
name: biker
name: boot
name: spokes
name: gloves
name: shirt
attrs: white
name: this
attrs: wheel
name: wheel
attrs: black

Contrastive attributes: