Objects in the image:
category: person
category: surfboard
category: person
category: surfboard
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 black shirt in front?
a: No
q: is it in left side?
a: No
q: is it behind the black shirt..in middle?
a: Yes