Objects in the image:
category: chair
category: laptop
category: person
category: backpack
category: bench
category: person
category: bench
category: person
category: person

Guessing-game dialogue about one of the objects:
q: IS it a person?
a: Yes
q: Is it one of the guys on the bench?
a: No
q: Is it the person standing?
a: No
q: Is it the person seated in the chair?
a: Yes
q: All the person that you can see?
a: Yes