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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a ski or skis?
a: Yes
q: is it touching the snow?
a: No
q: is it on the person in the air on the left side of the photo?
a: Yes
q: is it only one of the skis?
a: No