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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a snowboard?
a: No
q: is it a ski?
a: Yes
q: is it the ski of the person standing with the person who is sitting?
a: No
q: are the skis on the right side?
a: Yes
q: do they belong to the person in the yellow jacket?
a: Yes