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

Guessing-game dialogue about one of the objects:
q: is it the car?
a: No
q: is it a signal?
a: Yes
q: which shows green light in the front?
a: No
q: is it at the right end of the image?
a: Yes