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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it the ski?
a: Yes
q: the ski of the guys wearing black shirt?
a: No
q: ski of the girl behind that man?
a: Yes