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

Guessing-game dialogue about one of the objects:
q: is tat a person?
a: No
q: the red car?
a: No
q: the thing in the hand of this guy?
a: No
q: the ac ..?
a: No
q: is it a car?
a: Yes
q: back of that red car?
a: Yes