two boys performing tricks
red skateboard in air
concrete floor
concrete brick walls
boy in green sweater with black pants
boy in green sweater with black hat
blue, black and white shoes
two boys in air
two boys skateboarding
two men performing skateboarding tricks
Men skateboarding of the building
Man wearing beanie
Man wearing a green sweatshirt
Wall is made of concrete block
Stains on side of wall
Skateboard is flipped upside down
Man wearing tennis shoes
Man wearing dark jeans
Crack in the block wall
Man has arm in the air
young man jumping with other man wearing identical outfits
second young man jumping wearing identical outfit as first man
red skateboard upside down
grey stone column
pair of blue shoes on young man
grey stone wall
outlet box on stone wall
etching in grey stone that says "MUSIC LOVERS"
black cap on young man
hand of young man
a sequence of pictures showing a skater in motion
skateboard is red
skateboard is upside down
wheels of skateboard are white
skater is in the air
skater wears black pants
skater jumps down
skater has extended arms
a big wall of cement bricks
platform on side of building
red skateboard with four wheels
boy doing trick on skateboard
black skull cap on boy's head
grey cinderblock wall
pair of blue and white sneakers
music lovers written in stone
eyeglasses on boys face
exterior electrical outlet
white writing on bottom of skateboard
hood of sweatshirt

Objects:
boy
skateboard
floor
walls
sweater
hat
shoes
boys
beanie
stains
shoes
jeans
crack
man
arm in air
stone column
outlet box
music lovers
grey stones
hand
wheels
eyeglasses
boy's face
writing
hood of sweatshirt

Attributes:
name: boy
attrs: doing a trick
performing trick
jumping
young
jumping down
in the air
name: skateboard
attrs: red
upside down
flipped upside down
name: floor
attrs: made of concrete
name: walls
attrs: made of cement
grey
made of concrete
name: sweater
attrs: green
name: hat
attrs: black
name: shoes
attrs: blue
name: boys
attrs: skateboarding
performing tricks
in the air
name: beanie
attrs: black
name: stains
name: jeans
attrs: black
dark
name: crack
name: man
name: arm in air
name: stone column
attrs: grey
name: outlet box
name: music lovers
name: grey stones
name: hand
name: wheels
attrs: white
name: eyeglasses
name: boy's face
name: writing
attrs: white
name: hood of sweatshirt

Contrastive attributes: