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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it red long thing towards back?
a: No
q: is it skis?
a: Yes
q: worn by guy in green shirt?
a: Yes
q: both his skis?
a: Yes