Objects in the image:
category: car
category: stop sign
category: traffic light
category: parking meter
category: car
category: car
category: car
category: fire hydrant
category: car
category: car
category: car
category: car
category: traffic light
category: car
category: car

Guessing-game dialogue about one of the objects:
q: is it a sign?
a: No
q: is it a vehicle?
a: Yes
q: is it white?
a: No
q: is it black?
a: Yes