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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: on the far left, walking on the wood?
a: No
q: the one to his right, surfing?
a: No
q: the one in water in the back?
a: Yes