Objects in the image:
category: backpack
category: person
category: person
category: skis
category: backpack
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 part of the skiing equipment?
a: Yes
q: is it a pole?
a: No
q: is it a backpack?
a: No
q: is it the actual skis?
a: Yes
q: the skis of person with the red backpack?
a: No