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

Guessing-game dialogue about one of the objects:
q: is a person?
a: Yes
q: leftmost person in water?
a: No
q: two surfers in middle nearest me?
a: No
q: from the left, is it the 2nd and 3rd?
a: No
q: the 4th in red by himself?
a: No
q: from the left and in the background, is it 5th person?
a: No
q: is it 6th?
a: No
q: Is it the right-most surfer (in red)?
a: Yes