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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: is it the person  on the yellow surfboard in the water?
a: No
q: is it the person on the left side squatting down with the white surfboard?
a: No
q: is it the person next to them with the blue surfboard?
a: No
q: Is it the person with the white surfboard?
a: No
q: is it the next person holding the surfboard?
a: No
q: are they in the bottom right corner?
a: No
q: Are they off to the right of the surfers?
a: Yes
q: is it the person in black?
a: Yes