Objects in the image:
category: person
category: car
category: car
category: car
category: car
category: car
category: car
category: person
category: car
category: car
category: tie
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a car?
a: Yes
q: is it red?
a: No
q: is it white?
a: No
q: is it in front of a white van?
a: No
q: is it behind it?
a: No
q: is it behind the red van?
a: Yes