person riding on a skateboard.
little person on a skateboard.
little person with one foot on skateboard.
little kid on a skateboard.
person pushing down a path on a skateboard.
right knee to a person.
one foot on a skateboard.
black shoe planted on pavement.
person wearing a helmet for protection.
cement pavement in view.
a white and black helmet
a black skate board
a black slip on shoe
a red plastic wrist band
a pair of blue jeans
a pale blue shirt
a boy on his skateboard
dirt and gravel
a wooden fence
some small tufts of grass
tip of skateboard is red
gray wheel under skateboard
boy wearing white socks
boy wearing black slip on shoes
sole of shoe is white
wood fence behind boy
orange band on wrist
skateboard on pavement
pavement is gray
the ball of the boy's foot is touching the  pavement
the helmet is silver
the ground is gray
the shirt is blue
the pants are blue
the shoe is black
the fence is wooden
the trunk is brown
the leaves are green
the skateboard is black
the wheels are round
a tyke on a skateboard
little guy on a skateboard
a boy on a skateboard
a kid on a skateboard
someone's son on a skateboard
boy with a helmet
skateboarder with a helmet
hand with finger in the air
something orange on the wrist

Objects:
person
skateboard
one foot
person
skateboard
knee
skateboard
shoe
helmet
pavement
skateboard
wristband
jeans
shirt
fence
red tip
wheel
boy
socks
boy
pavement
foot
pavement
helmet
ground
trunk
child

Attributes:
name: person
attrs: riding
little
name: skateboard
attrs: black
name: one foot
name: knee
attrs: bent
name: shoe
attrs: slip on
white
black
name: helmet
attrs: silver
protection
white
black
name: pavement
attrs: cement
gray
name: wristband
attrs: red
orange
plastic
name: jeans
attrs: blue
name: shirt
attrs: blue
name: fence
attrs: wooden
name: red tip
name: wheel
attrs: grey
round
name: boy
name: socks
attrs: white
name: foot
name: ground
attrs: gray
name: trunk
attrs: brown
name: child

Contrastive attributes:
attr1: black
attr2: white
nouns: helmet
shoe
attr1: black
attr2: silver
nouns: helmet