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

Guessing-game dialogue about one of the objects:
q: a person ?
a: Yes
q: in the truck?
a: Yes
q: in the back?
a: No
q: the  driver ?
a: N/A
q: the guy seen through the window who is waving?
a: Yes