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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a bus?
a: No
q: Is it the car?
a: Yes
q: the one behind the yellow bus?
a: No
q: the white one next to yellow bus?
a: No
q: is it at the middle?
a: Yes
q: the grey one whose bumper is hidden?
a: Yes