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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: a signal light?
a: Yes
q: one in right side?
a: No
q: the one in left with green lights on?
a: Yes