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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it backpack?
a: No
q: is it ski stick?
a: No
q: is it skis?
a: Yes
q: is it worn by man in shorts?
a: No
q: is it worn by man in pants?
a: Yes