this is a skateboard
the skateboard is wooden
these are four wheels
this is the ground
the ground is grey in color
this is a cap
the cap is black in color
the t-shirt is white in color
this is a bench
this is a grill
a skateboarder performing a trick
a wooden skateboard
man wearing black shoes with white soles
man wearing black jeans
man wearing a black wool hat
man wearing a white shirt
a metal fence
two stone benches
a red wire
man wearing a silver watch
boy makes jump on skateboard
boy is wearing white headphones
boy is wearing white shirt
boy is wearing black pants
boy wears black and white shoes
skateboard is made of wood
skateboard has dark tan wheels
concrete under skateboard is grey
grey benches are behind boy
grey metallic rails behind benches
a man's tennis shoe
white headphones
a brown skateboard
a man's white shirt
a concrete bench
a long gray pole
part of a tall bridge
the hand of a man
a man's wristwatch
a large body of blue water
a boy on a skate broad
a boy jumpimg a skate broad
a steel  metal pipe
wheels on a skate broad
a wooden skate broad
a reflection on the water
a concert bench on a walk
a pair of black and white shoes
ear phones on boys head
a white on a young man

Objects:
skateboard
wheel
wheel
wheel
wheel
ground
cap
t-shirt
bench
skateboarder
shoe
shoe
sole
sole
jeans
fence
bench
wire
watch
headphones
pole
hand
pipe
head

Attributes:
name: skateboard
attrs: brown
grey
wooden
made of wood
name: wheel
attrs: dark tan
name: ground
attrs: grey
name: cap
attrs: black wool
black
name: t-shirt
attrs: white
name: bench
attrs: concrete
grey
stone
name: skateboarder
attrs: performing a trick
name: shoe
attrs: white
black
name: sole
attrs: white
name: jeans
attrs: black
name: fence
attrs: grey metallic
metal
name: wire
attrs: red
name: watch
attrs: silver
name: headphones
attrs: white
name: pole
attrs: long
gray
name: hand
name: pipe
attrs: metal
steel
name: head

Contrastive attributes:
attr1: black
attr2: white
nouns: shoe
attr1: brown
attr2: gray
nouns: skateboard