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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: with a board?
a: No
q: the person lying down?
a: No
q: one of the 3 guys?
a: No
q: guy in red in background?
a: Yes