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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: a person in the water?
a: No
q: a person carrying surfing board?
a: Yes
q: carrying a white board?
a: No
q: wearing black?
a: Yes