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

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 a backpack?
a: No
q: Is it glasses?
a: No
q: Is it on the right skier?
a: No
q: Is it the blue water bottle?
a: No
q: Is it the ski poles?
a: No
q: Is it the orange jacket?
a: No
q: Is it his ski boots?
a: No
q: Is it his black pants?
a: No
q: Is it his glove?
a: No
q: Is it his goggles?
a: No
q: Is it the white thing on his back?
a: No
q: Is it on the left skier?
a: Yes
q: Is it his ski boots?
a: No
q: Is it his blue back pack?
a: No
q: Is it the straps hanging down?
a: No
q: Is it his hat?
a: No
q: Is it the greyish black think on top of his backpack?
a: No
q: Is it his ski bindings?
a: Yes
q: Is it something very small?
a: No