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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it on a person?
a: Yes
q: Is it the glasses on the man with the blue coat?
a: No
q: is it gloves?
a: N/A
q: is it a hat?
a: No
q: is it anything they would wear?
a: No
q: is it his mouth?
a: No