Ducati logo on the side of the motorcycle
Ducati written on the back of the leather jacket
black knee pads on the bike rider
several bike riders assembled on the road
wooden observation tower
bike rider wearing black leather
black motorcycle helmet
number 21 on the back of the motorcycle
yellow motorcycle helmet
partly cloudy weather
man wearing black helmet
white clouds in blue sky
white clouds in blue sky
white clouds in blue sky
white clouds in blue sky
white clouds in blue sky
white clouds in blue sky
white clouds in blue sky
white clouds in blue sky
white clouds in blue sky
man sitting on motorcycle
white clouds in blue sky
white clouds in blue sky
white clouds in blue sky
white clouds in blue sky
white clouds in blue sky
men riding motorcycles in the street
a helmet on the motorcyclist's head
a motorcyclist in a black leather jacket
a man sitting on a motorcycle in the street
a motorcyclist on a black and white motorcycle
a man sitting on a red and white motorcycle
white smokey clouds in the sky
a white skull head on the back of a leather jacket
an exhaust pipe on the side of the red and white motorcycle
a knee-pad on the biker's right knee
man has black helmet
black and white jacket
black and white pants
man has black boots
red and white body of bike
bike has jet black wheels
bike on grey pavement
sky is blue and cloudy
grey puffy clouds in sky
tall grey building behind bikes

Objects:
logo
motorcycle
word
jacket
knee pads
bike rider
road
bike rider
bike rider
tower
leather
helmet
number
motorcycle
helmet
clouds
sky
motorcycle
head
skull
pipe
biker's knee
pants
boots
wheels

Attributes:
name: logo
name: motorcycle
attrs: red
white
black
name: word
name: jacket
attrs: white
leather
black
name: knee pads
attrs: black
name: bike rider
name: road
attrs: grey
name: tower
attrs: grey
wood
tall
name: leather
attrs: black
name: helmet
attrs: yellow
black
name: number
attrs: black
name: clouds
attrs: smokey
grey
white
puffy
name: sky
attrs: cloudy
blue
name: head
name: skull
attrs: white
name: pipe
name: biker's knee
name: pants
attrs: white
black
name: boots
attrs: black
name: wheels
attrs: black

Contrastive attributes:
attr1: black
attr2: white
nouns: jacket
motorcycle
pants