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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a ski or skis?
a: Yes
q: under the front guy in green and black?
a: No
q: snow board under next guy over who is standing?
a: N/A
q: skis under girl in white coat?
a: No
q: under red or orange coat on the right?
a: No