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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a surfboard?
a: Yes
q: is a surfer standing on it?
a: Yes
q: are they on the wave?
a: Yes
q: on the top of the wave?
a: No