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

Guessing-game dialogue about one of the objects:
q: a person?
a: No
q: ski ??
a: No
q: is it in the background?
a: Yes
q: sail ??
a: Yes