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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the motorcycle?
a: No
q: is it a vehicle?
a: Yes
q: is it a van?
a: No
q: Is it the red car on the right?
a: No
q: is it the vehicle directly behind the mans head?
a: Yes