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

Guessing-game dialogue about one of the objects:
q: is it car?
a: No
q: is it a sign?
a: No
q: is it a traffic light?
a: Yes
q: does it include green light?
a: Yes
q: is it overhanging road?
a: No
q: is it on left side?
a: No
q: is it on right?
a: Yes