these are some trees
the trees are tall
the leaves are green in color
this is the sky
the sky is blue in color
these are three people
the jacket is grey in color
this is the snow
the snow is white in color
these are some tracks
three people snowboarding down a hill
smooth white snow of the slope
tracks in the snow
a black snowboard on the ground
several trees growing at the top of the hill
clear blue skies over the mountain
a man wearing a grey jacket
a person wearing a grey and black jacket
a man wearing a blue jacket
the man's red snow shoes
Ski goggles on the person wearing a blue coat.
Ski goggles on the person wearing the gray coat.
A person wearing a blue and white coat.
A snow board with red straps.
A person wearing a gray ski jacket.
A person wearing a blue coat.
Boots that have the colors blue and yellow.
A pair of gloves worn by a person with a blue coat.
A green and gray winter cap.
The pants of the person wearing a gray jacket.
A red side pocket
Gogles in the face
Light reflecting on gogles
A zipper hanging down
Foot tracks in the snow
White arm of  a jacket
A hand sticking out
A hand covered in a glove
A post amidst the trees
Blue sky between the trees
three people riding snowboards
tracks in the snow
snowboard being used by man
goggles on man's head
man in the snow
snow under the men
trees in the distance
three people wearing snow gear
sky above the trees
many trees behind snowboarders

Objects:
trees
leaves
sky
three people
jacket
snow
tracks
hill
slope
snowboard
ground
skies
mountain
man
blue jacket
red shoes
person
goggles
snowboard
person
gray ski jacket
boots
gloves
winter cap
pants
pocket
face
light
zipper
down
white arm
jacket
hand
gloves
post
snowboards
head
distance
snow gear
snowboarders

Attributes:
name: trees
attrs: tall
trees
name: leaves
attrs: green
name: sky
attrs: blue
name: three people
attrs: together
name: jacket
attrs: grey
name: snow
attrs: white
name: tracks
attrs: these
name: hill
name: slope
name: snowboard
name: ground
name: skies
name: mountain
name: man
name: blue jacket
name: red shoes
name: person
name: goggles
name: gray ski jacket
name: boots
attrs: yellow
blue
name: gloves
name: winter cap
attrs: gray
green
name: pants
name: pocket
attrs: red
name: face
name: light
name: zipper
name: down
name: white arm
name: hand
attrs: sticking out
name: post
name: snowboards
name: head
name: distance
name: snow gear
name: snowboarders

Contrastive attributes:
attr1: blue
attr2: yellow
nouns: boots