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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it a ski lift?
a: No
q: Is it a ski or skis?
a: N/A
q: Is it a ski near person in front?
a: Yes
q: Is it only one ski?
a: Yes
q: Is it the one his foot is on?
a: Yes