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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: No
q: Is it in water?
a: Yes
q: Is it something worn by the person?
a: No
q: Is it mattress?
a: No
q: Is it big yellow desk inside the water on the left?
a: Yes