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

Guessing-game dialogue about one of the objects:
q: a car?
a: No
q: a truck?
a: No
q: a light?
a: N/A
q: lights ??
a: N/A
q: red light?
a: No
q: middle light?
a: Yes