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

Guessing-game dialogue about one of the objects:
q: is a person?
a: Yes
q: in the left gang?
a: No
q: in the right gang?
a: Yes
q: is he raising his hands?
a: No
q: is in the front row?
a: Yes
q: is he standing or leaning?
a: Yes