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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are the above the truck?
a: Yes
q: is it the guy on top of the sandbags?
a: No
q: is it the guy closest to the front of the truck?
a: Yes
q: you can only see part of his head?
a: Yes