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

Guessing-game dialogue about one of the objects:
q: is it one of the 2 skiers?
a: Yes
q: is it a tree?
a: No
q: Is it the first skier?
a: Yes
q: the whole skier?
a: No
q: is it his skies?
a: No
q: is it his backpack?
a: Yes