Objects in the image:
category: fire hydrant
category: traffic light
category: car
category: bus
category: car
category: car
category: car
category: person
category: car
category: car
category: person

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