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

Guessing-game dialogue about one of the objects:
q: a car??
a: No
q: a traffic signal?
a: Yes
q: is it lit?
a: No
q: is it on extreme left, facing sideways?
a: No
q: the one on our left among the three in the front?
a: Yes