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

Guessing-game dialogue about one of the objects:
q: is it a traffic light?
a: Yes
q: is it the red one in front?
a: Yes
q: on the top?
a: Yes