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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it in left?
a: N/A
q: is it train?
a: No
q: is it signal light?
a: Yes
q: is it in top row?
a: Yes
q: is it in right?
a: No
q: is it middle one?
a: Yes