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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it something a person is wearing?
a: Yes
q: Is it on a person sitting down?
a: Yes
q: Is it on the person closest to us?
a: No
q: Is it the person's backpack?
a: Yes
q: Thank you :)?
a: Yes