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

Guessing-game dialogue about one of the objects:
q: Is it on the bus?
a: No
q: Is it on the ground?
a: No
q: Is it one of the trees?
a: No
q: Is it part of a building?
a: No
q: Is it in the sky?
a: No
q: Is it behind the bus?
a: Yes