Objects in the image:
category: person
category: person
category: person
category: person
category: snowboard
category: person
category: person
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 ski?
a: Yes
q: first person in front is wearing it?
a: Yes
q: is it only one ski?
a: No