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 something a person is wearing?
a: Yes
q: Is it the person in the foreground?
a: No
q: Is it the person in the background?
a: Yes
q: Is it a ski pole?
a: No
q: Is it a boot?
a: No
q: Is it a ski?
a: Yes
q: Is it the ski to the left in the picture?
a: Yes
q: Is it the ski to the right in the picture?
a: Yes
q: Do you see more than two skis?
a: No