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

Guessing-game dialogue about one of the objects:
q: is it a man?
a: No
q: is it the ground?
a: No
q: is it a building?
a: No
q: is the guy sitting on it?
a: No
q: is he wearing it?
a: No
q: is he holding it?
a: No
q: is it the person behind him?
a: No
q: is it the sky?
a: No
q: is it on the ground?
a: No
q: is the other person wearing it?
a: Yes
q: is it the bag?
a: Yes