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

Guessing-game dialogue about one of the objects:
q: IS IT PERSON?
a: Yes
q: IS IN BACKGROUND?
a: No
q: IS IN BLACK?
a: Yes
q: IN FRONT OF THE TRUCK?
a: No
q: IS HE BEHIND THE BLUE  ONE?
a: Yes