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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: To the left of the green buoy?
a: No
q: Are they holding surfboard?
a: N/A
q: Is it the the guy furthest to the right?
a: No
q: 2nd from the right?
a: No
q: 3rd from the right?
a: Yes