a window on a building
a window on a building
a window on a building
a window on a building
a window on a building
a window on a building
a window on a building
a window on a building
a window on a building
a window on a building
the sky is blue
the sky is cloudy
the sky is hazy
the kid is wearing a red shirt
the kid is wearing black pants
the kids is wearing a green shirt
the skateboard is green
the skateboard has brown wheels
the concrete is dirty
the rails are black
young man on skateboard
an old blue skateboard
a man holding the skateboard
a concrete platform
buildings behind the skaters
a cap on the man's head
a green t-shirt on the man
a skateboard on the ground
a set of metal railings
a tag on the man's pants
storm clouds in the sky
large black curved railing
small black spot on step
black smudge on the steps
tan wheels on skate board
small window in tan building
black cap on boys' head
green skate board in boy's hand
boy wearing green shirt
large white building white green windows
part of black railing by steps
guy in green t-shirt holding skateboard
hand of guy holding skateboard wearing green
black knit cap of guy holding skateboard
guy in red shirt on skateboard
pants of guy on skateboard
blue side of building by skateboarders
windows of building to right of skateboarders
sky above two skateboarders
a wheel on green skateboard

Objects:
building
window
window
window
window
sky
shirt
man
shirt
skateboard
wheels
concrete
rails
man
platform
buildings
skaters
cap
step
skater

Attributes:
name: building
attrs: white
large
blue
name: window
attrs: small
name: sky
attrs: cloudy
hazy
blue
name: shirt
attrs: red
green
name: man
attrs: tagged
black
name: skateboard
attrs: grounded
green
old
blue
name: wheels
attrs: brown
tan
name: concrete
attrs: dirty
name: rails
attrs: metal
large
black
name: platform
attrs: concrete
name: buildings
name: skaters
name: cap
attrs: black
knit
name: step
attrs: spotted
smudged
name: skater

Contrastive attributes:
attr1: blue
attr2: green
nouns: skateboard
attr1: red
attr2: green
nouns: shirt