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

Guessing-game dialogue about one of the objects:
q: Is the object a vehicle?
a: Yes
q: Is it a bus?
a: No
q: Is it the full van or a part of the van?
a: Yes
q: is it part of the van?
a: No
q: is it the back window?
a: No