Objects in the image:
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 in the foreground of the picture?
a: No
q: is it a building?
a: No
q: is it green?
a: No
q: is it a sign?
a: No
q: is it a road?
a: No
q: is it on the road?
a: No
q: is it a fence?
a: No
q: is it a light pole?
a: No
q: is it on the right side of the picture?
a: Yes
q: is it on the train?
a: No
q: is it a railroad light?
a: Yes