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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a building?
a: No
q: Is it a vehicle?
a: Yes
q: Is it at the middle right of the photo?
a: Yes
q: Is it only the back end of the vehicle?
a: Yes