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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a ski?
a: Yes
q: is it a  ski that the man in front is on?
a: Yes
q: is it both of them?
a: Yes