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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a rock?
a: No
q: is it part of the snow?
a: No
q: is it his hat?
a: No
q: is it his glasses?
a: No
q: is it his shirt?
a: No
q: is it his backpack?
a: No
q: is it something he's holding in his hands?
a: No
q: it it his pants?
a: No
q: is it his shoes?
a: No
q: is it his long skiing things?
a: Yes
q: is it one of them, not both?
a: No
q: is it both of them?
a: Yes