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

Guessing-game dialogue about one of the objects:
q: is it human?
a: Yes
q: does he wear helmet?
a: N/A
q: is number written on his shirt?
a: No
q: does he wear red colour cap?
a: No
q: does he wear a green colour cloth in head and shoulder?
a: No
q: is his face visible?
a: Yes
q: does he wear green colour pant?
a: No
q: Is the man holding anything in his hands?
a: Yes
q: does he wear sky blue pant?
a: No
q: does he wear dark blue pant?
a: N/A
q: does he wear anything in  head?
a: No
q: is he at left end of picture?
a: Yes