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

Guessing-game dialogue about one of the objects:
q: is it on a sign?
a: No
q: is it a stop light?
a: Yes
q: is it a whole stop light?
a: Yes
q: can you see the back of it?
a: No
q: of the other two, is it the one on the right?
a: Yes