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

Guessing-game dialogue about one of the objects:
q: is it car?
a: No
q: is it building?
a: No
q: is it person?
a: No
q: is it lightpost?
a: Yes
q: is it the right one?
a: No
q: is it the left?
a: Yes
q: the left with green light?
a: Yes