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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: does the person have a number on their suit?
a: Yes
q: Is it #31?
a: Yes
q: Is it the person wearing a green number 31?
a: No
q: Is it the one behind him - the pink 31?
a: Yes