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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it the backpack bag?
a: No
q: is it the skateboard?
a: Yes
q: the one in the center?
a: No
q: the right one?
a: No
q: the one which the guy with the bag is sitting on?
a: Yes