this is a man
the man is skating
the pavement is gray
this is a shoe
this is a protective knee cap
this is a protective knee cap
this is a blue helmet
the t-shirt is blue
the ramp is paved
this is a person
the person is doing tricks
this is a skate board
the pavement is gray
the pavement is gray
the pavement is gray
this is a helmet
the shirt is blue
this is a knee cap
this is a knee cap
man is wearing helmet
man is wearing helmet
the helmet is blue
the helmet is blue
man skating at skating ring
man on skate board
man wearing blue helmet
man wearing blue shirt
man wearing jeans
man wearing black elbow pads
black and white knee pads
black and white shoe
man wearing wedding ring
concrete skating ring
a man riding a skateboard
a man wearing a blue helmet
a man wearing black and white knee pads

Objects:
helmet
t shirt
ramp
person
person
skateboard
pavement
pavement
pavement
knee cap
knee cap
man
helmet
man
skating ring
man board
skating board
man
shirt
jeans
elbow pads
elbow pads
pads
pads
shoe
man
wedding ring
ring
helmet
man
pads
pads

Attributes:
name: helmet
attrs: blue
name: t shirt
attrs: is blue
name: ramp
attrs: paved
name: person
attrs: doing
name: skateboard
name: pavement
attrs: gray
name: knee cap
attrs: knee
name: man
attrs: riding
wearing
name: skating ring
name: man board
name: skating board
name: shirt
attrs: blue
name: jeans
name: elbow pads
attrs: elbow
black
name: pads
attrs: white
knee
black
name: shoe
attrs: white
black
name: wedding ring
name: ring
attrs: concrete
skating

Contrastive attributes:
attr1: black
attr2: white
nouns: pads
shoe