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

Guessing-game dialogue about one of the objects:
q: Is it a traffic light?
a: Yes
q: is it showing green arrow?
a: No
q: is it showing green?
a: Yes
q: is it whole of traffic light?
a: Yes
q: is it in the left?
a: Yes
q: is it traffic light?
a: Yes
q: is it one in left with green light?
a: Yes