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

Guessing-game dialogue about one of the objects:
q: Is it a person, part of a person or being held or worn by a person?
a: Yes
q: Is it the whole person?
a: No
q: Is it clothing?
a: No
q: Is it his ski poles?
a: No
q: Is it his backpack?
a: Yes
q: All of his backpack?
a: Yes