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

Guessing-game dialogue about one of the objects:
q: is it vehicle?
a: No
q: is it traffic signal?
a: Yes
q: one of 3 showing red light in top?
a: Yes
q: one facing us?
a: No