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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: man in white shirt?
a: No
q: laying on ground with red board?
a: No
q: straight above the red board?
a: Yes
q: with white helmet?
a: Yes