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

Guessing-game dialogue about one of the objects:
q: is it yellow?
a: No
q: is it a building?
a: No
q: is it on the ground?
a: No
q: is it on a building?
a: No
q: is it white?
a: No
q: is it gray?
a: No