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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it car?
a: Yes
q: is it left of van?
a: Yes
q: is it right of van?
a: No
q: is it van?
a: No
q: is it black sedan like car?
a: No
q: is it car hidden by black sedan?
a: Yes