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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it skiing equipment?
a: Yes
q: are one of them wearing it?
a: No
q: is it the little stick/flag on the extreme left?
a: No
q: is it the skis that the man in blue took off?
a: No
q: is the man in the red holding it?
a: Yes
q: Is it the two poles he is holding?
a: No
q: is it one?
a: No
q: is it on his feet?
a: Yes
q: is it his two skis?
a: Yes