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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it skiing equipment?
a: Yes
q: is it in the hands of a person?
a: No
q: is it a helmet?
a: No
q: is it goggles?
a: No
q: is it a ski rod thing?
a: No
q: is it an item of clothing?
a: No
q: is it a ski shoe?
a: No
q: is it a ski?
a: Yes
q: is it on the feet on a person facing the camera?
a: Yes
q: is it on the feet of the person in red?
a: No
q: is it on the feet of the person in blue?
a: Yes