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

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it a bus?
a: No
q: is it a silver vehicle?
a: No
q: is it that blue van?
a: Yes