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

Guessing-game dialogue about one of the objects:
q: Is it a train?
a: No
q: Is it a car?
a: No
q: Is it a stop light?
a: Yes
q: Is it on this side of the train?
a: No
q: Is it the left light on behind the train?
a: N/A