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

Guessing-game dialogue about one of the objects:
q: is it human?
a: No
q: is it being used by a human?
a: Yes
q: is it held by hand?
a: No
q: is it attached to feet?
a: Yes
q: is it a pair?
a: Yes
q: is it being used by somebody dressed in blue?
a: No
q: is it being used by  somebody in a brown and beige jacket?
a: Yes
q: is it very close to the left margin of the photo?
a: Yes