Objects in the image:
category: person
category: person
category: truck

Guessing-game dialogue about one of the objects:
q: is it front?
a: No
q: is it front?
a: No
q: is it person?
a: Yes
q: is he in with with red cap?
a: No
q: i near that man in black?
a: N/A
q: is back to him?
a: N/A
q: is in blue leftmost back?
a: No
q: is only the head showing in back?
a: Yes