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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the boy on the surfboard?
a: No
q: is it the person whos head is sticking above the wave?
a: No
q: is it one of the blurry heads in the fore front of the picture?
a: Yes
q: is it the red one?
a: No
q: the one next to it?
a: No
q: the one next to that?
a: Yes