a wooden skate board
a lamp post
a person on a bike
a dirt street
a white concerte wall
a boy in the air
a boy jumping with a skate board
a window with bars
a wheel on a bike
a leafy tree limb
Upside down airborne skateboard
Front of a bicycle
Boy sitting on a bicycle
Rock on sidewalk
Airborne skateboarder performing trick
Boy jumping in the air
Metal city light pole
Decorative metal grate on window
Sign posted on the wall
Cement elevated curb
a guy doing a skateboard trick
skateboard is upside down
guy is watching the skateboader
the guy is sitting on a bike
the guy is in the air
side walk
tall building with a sign on it
blank street
light pole
gate
Skateboard of athletic person
Street pole on sidewalk
Athletic person performing trick
Shoe of athletic person
Head of athletic person
Hand of athletic person
Hand of athletic person
Part of sidewalk under person
Part of street near person
City building behind person
a skater in the air
a skateboard is upside down
wheels of skateboard are black
a boy sits on a bike
boy's left hand is extended
boy is skating in the street
boy has black hair
a pole on the sidewalk
front wheel of bike
skater wears black cloths

Objects:
person
bike
wall
boy
air
skate board
barred window
skateboard
boy
bicycle
light pole
grate
window
sign
curb
guy
bike
street
trick
person
head
hand
hand
person
sidewalk
street
building
wheels
wheels
skateboard
street
wheel
bike
skater
cloths

Attributes:
name: person
attrs: athletic
name: bike
name: wall
attrs: concrete
white
name: boy
attrs: jumping
skating
name: air
name: skate board
name: barred window
attrs: barred
name: skateboard
attrs: upside down
airborn
name: bicycle
name: light pole
attrs: metal
name: grate
attrs: decorative
metal
name: window
name: sign
name: curb
attrs: cemented
elevated
name: guy
name: street
attrs: blank
name: trick
name: head
name: hand
name: sidewalk
name: building
name: wheels
attrs: black
name: wheel
name: skater
name: cloths

Contrastive attributes: