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

Guessing-game dialogue about one of the objects:
q: is a vehicle?
a: Yes
q: is it white?
a: No
q: a bus?
a: No
q: is it behind the second bus?
a: Yes