Objects in the image:
category: traffic light
category: car
category: stop sign
category: traffic light
category: car
category: traffic light
category: stop sign
category: traffic light
category: car
category: traffic light

Guessing-game dialogue about one of the objects:
q: is a car?
a: No
q: is a stop sign?
a: Yes
q: is it rectangular?
a: No