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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the person on the left reaching down to the water in black shorts?
a: No
q: is the person on the left side of the middle post?
a: No
q: Is the person sitting down in the water, on the right side of that post a child?
a: No
q: the person in white next to him?
a: No
q: blue shirt?
a: Yes