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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it an object used by the person?
a: Yes
q: Is the person standing on it?
a: No
q: Is the person wearing it?
a: Yes
q: Is it glasses?
a: No
q: Is it a bag?
a: Yes