Objects in the image:
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 a tree?
a: No
q: is it a person holding it?
a: No
q: is it with a person?
a: Yes
q: is it a skating board?
a: Yes
q: is it with first big person?
a: Yes