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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is it the one on the board or the first one on the platform behind him?
a: No
q: Is it the guy with the blue shoulders behind him?
a: No
q: Is it the guy all the way on the right?
a: No
q: Is it the guy to his left?
a: Yes