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

Guessing-game dialogue about one of the objects:
q: Is it the person?
a: No
q: Is it something he is holding, standing on or wearing?
a: Yes
q: Is it the ski poles?
a: No
q: Is it the skis?
a: No
q: Is it the backpack?
a: Yes