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

Guessing-game dialogue about one of the objects:
q: is it traffic signal?
a: Yes
q: is it above the green w board?
a: No
q: is the other one with red signal on?
a: No
q: is it facing the white car?
a: No
q: is it in the lamp below with two circles?
a: No
q: is it with 3 circles facing opposite side to white car?
a: Yes