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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: No
q: is it a signal light?
a: Yes
q: is the traffic signal facing us?
a: Yes
q: is it in the background?
a: No
q: the right one next to sign 465?
a: Yes