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

Guessing-game dialogue about one of the objects:
q: a car?
a: No
q: a bus?
a: No
q: a light?
a: Yes
q: front one?
a: Yes