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

Guessing-game dialogue about one of the objects:
q: Is it a vehicle?
a: No
q: Is it a traffic light?
a: Yes
q: Is it the one at the bottom left that's green?
a: No
q: Is it the one further up on the right on the same lane?
a: Yes