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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: In the water?
a: No
q: On this side of the water?
a: No
q: Holding a surfboard?
a: Yes
q: The far left one?
a: No
q: 2nd from the left?
a: No
q: 3rd from the left?
a: No
q: 4th from the left?
a: Yes
q: And the surfboard is in his left arm to the right of him?
a: Yes