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

Guessing-game dialogue about one of the objects:
q: is a signboard?
a: No
q: is a flag?
a: No
q: is a car?
a: Yes
q: near the right end?
a: No
q: in the left half of image?
a: Yes
q: the grey car that we could see only the back?
a: No
q: the yellow car behind the signal?
a: Yes