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

Guessing-game dialogue about one of the objects:
q: is it the train?
a: No
q: is it one of the lights at the end of the train?
a: No
q: is it the hut next to the train on the left?
a: No
q: is it a street lamp?
a: No
q: is it part of the tracks?
a: No
q: is it the red and white light on the right?
a: Yes