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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a skateboard?
a: N/A
q: is it with the person?
a: Yes
q: in his leg?
a: Yes
q: is it a shoe?
a: No
q: is it a sliding board?
a: Yes
q: with the white pant girl?
a: No
q: with the brown pant guy?
a: Yes
q: is it a left one?
a: N/A
q: is it a both in his leg?
a: Yes