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

Guessing-game dialogue about one of the objects:
q: is it bus?
a: No
q: part of bus?
a: No
q: behind the bus?
a: No
q: person in bus?
a: Yes
q: is he wearing black?
a: No
q: the other one on back?
a: No
q: in front then?
a: Yes
q: should i choose now?
a: Yes