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

Guessing-game dialogue about one of the objects:
q: is a person?
a: Yes
q: white shirt?
a: No
q: wearing backpack?
a: No
q: in the vehicle?
a: No
q: Is it in the background?
a: No