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

Guessing-game dialogue about one of the objects:
q: is it the boy?
a: No
q: is it a skateboard?
a: No
q: is it a tree?
a: No
q: is it the steps?
a: No
q: is it the fence?
a: No
q: is the boy wearing it?
a: No
q: is it the sign?
a: No
q: is it the white pole?
a: No
q: is it a building?
a: No
q: is it the person behind the skater?
a: Yes