Objects in the image:
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 a tree?
a: No
q: is it being used for skiing?
a: Yes
q: is it skis?
a: Yes
q: is it being used by a person wearing black pants?
a: Yes