Objects in the image:
category: skateboard
category: person
category: person
category: skateboard

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a wall?
a: No
q: is it a pillar?
a: No
q: is it white?
a: No
q: is it green?
a: No
q: is it a skate?
a: Yes
q: is it the skate under the person facing right?
a: No
q: is it being carried by the person facing left?
a: No
q: is the skate being ridden?
a: Yes