Objects in the image:
category: car
category: truck
category: car
category: car
category: car
category: car
category: car
category: car
category: bus
category: car
category: person
category: bus

Guessing-game dialogue about one of the objects:
q: is it a bus?
a: No
q: is it a truck?
a: No
q: is it a car?
a: Yes
q: is it black?
a: No
q: is it a police car?
a: Yes
q: is it the one at center?
a: No