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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a tree?
a: No
q: is it the building?
a: No
q: it's on the left side half of the picture?
a: Yes
q: is it part of a vehicle?
a: No
q: is it the post?
a: No
q: is it the traffic sign?
a: No
q: is it inside the bus?
a: Yes
q: is it a person?
a: Yes
q: at the back?
a: Yes