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

Guessing-game dialogue about one of the objects:
q: is the object a vehicle?
a: No
q: is the object a traffic device?
a: Yes
q: does the object contain a light?
a: Yes