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

Guessing-game dialogue about one of the objects:
q: Is it a train?
a: No
q: Is it a window?
a: No
q: Is it on the train?
a: No
q: Is it an x?
a: No
q: Is it a light?
a: Yes
q: Is it the railroad crossing light?
a: Yes