Objects in the image:
category: traffic light
category: traffic light
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: i it yellow?
a: No
q: is it signal?
a: Yes
q: is it in right?
a: No
q: is it in front?
a: No
q: is it top one?
a: No
q: is it green in left?
a: No
q: is it green light in left?
a: No
q: is it center one?
a: Yes