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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: bottom right corner?
a: No
q: kid on snowboard going down hill ... wearing blue/black ?
a: No
q: wearing white?
a: No
q: light blue?
a: No
q: Are it the red shoes?
a: No
q: wearing black jacket?
a: No
q: Is it the person in front of the previous one, wearing black pants and a kind of blue jacket?
a: Yes