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

Guessing-game dialogue about one of the objects:
q: Is it the blue inflatable the boy is in?
a: No
q: is it a person?
a: Yes
q: is it boy on the board?
a: No
q: is person to boy's left?
a: No
q: is person standing higher than railing in the background?
a: Yes
q: are they to the front of the railing?
a: No
q: of the people behind the railing, is it the first person from the right side?
a: Yes
q: using the persons head, the first head correct?
a: Yes