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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: Is it a skating device?
a: Yes
q: is it on left side?
a: Yes
q: first form left?
a: Yes
q: that brown pant guy standing on that?
a: Yes