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

Guessing-game dialogue about one of the objects:
q: is it the person?
a: No
q: is he wearing it?
a: Yes
q: is it red?
a: No
q: is it his helmet?
a: No
q: is it goggles?
a: No
q: is it a backpack?
a: No
q: what about gloves?
a: No
q: is it his pants?
a: No
q: could it be his skis?
a: Yes
q: or his shoes?
a: No
q: so its his skis?
a: Yes
q: is it a ski pole?
a: No
q: is it the straps around his waist?
a: No
q: is it the ski on his right foot?
a: No
q: is it the ski on his left foot, the one in the back?
a: Yes
q: are you confident I know it?
a: Yes