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

Guessing-game dialogue about one of the objects:
q: is it signal?
a: No
q: is it vehicle?
a: Yes
q: is the vehicle's side is red?
a: No
q: is the side is white?
a: Yes
q: do it has red?
a: No
q: is it in corner?
a: No
q: is the backside red?
a: No
q: is it is car?
a: Yes