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

Guessing-game dialogue about one of the objects:
q: is it the red and yellow train?
a: No
q: a train signal?
a: No
q: a train?
a: Yes
q: in the background to the right?
a: Yes
q: is that train there one piece?
a: Yes