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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the kid in front who is diving?
a: No
q: is it the one in right who is surfing?
a: No
q: is it in left?
a: No
q: is it a girl?
a: No
q: is it 1 of 2 at the back?
a: Yes
q: is it wearing black shirt?
a: Yes