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

Guessing-game dialogue about one of the objects:
q: Is it a train?
a: No
q: Is it a railroad track?
a: No
q: Is it a light?
a: Yes
q: Is it green?
a: No
q: is it red?
a: Yes