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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a vehicle?
a: No
q: is it a tree?
a: No
q: is it a right side?
a: No
q: is it a building?
a: No
q: is it a top?
a: No
q: is it a black?
a: Yes
q: is it a person?
a: No
q: is it a car?
a: No
q: is it a board?
a: Yes
q: is it under the boy with the white shirt?
a: No
q: is it under the boy behind him?
a: Yes