Objects in the image:
category: person
category: person
category: airplane
category: person
category: person
category: bus
category: person
category: truck
category: bus
category: car
category: truck
category: person

Guessing-game dialogue about one of the objects:
q: is it one of the planes?
a: No
q: is it a person?
a: Yes
q: someone standing in front of the plane and under it?
a: No
q: is he standing behind the plane?
a: Yes
q: Is it one of the two people at the far back of the plane?
a: Yes
q: is it the guy walking away form the plane i suppose?
a: No
q: ok the other one standing still?
a: Yes