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

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 person?
a: No
q: is it a building?
a: No
q: is it a lamp or lamp post?
a: Yes
q: is it in the left half of the image?
a: Yes
q: is it the train signal in the middle?
a: Yes
q: the whole thing?
a: No
q: the top light?
a: Yes