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

Guessing-game dialogue about one of the objects:
q: is the person?
a: No
q: is the dog?
a: No
q: is a ski?
a: Yes
q: the green ski of the girl?
a: Yes
q: only one of them?
a: No
q: both green ski so?
a: Yes