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

Guessing-game dialogue about one of the objects:
q: is it the vehicle?
a: No
q: is it in the background?
a: No
q: is it the mirror?
a: No
q: is it a person?
a: Yes
q: do they have a red shirt?
a: No
q: is the person on or in the van?
a: Yes
q: is it the person in the mirror?
a: No
q: is the person in the background?
a: No
q: is the person in the van?
a: No
q: is the person on top of the van?
a: Yes