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

Guessing-game dialogue about one of the objects:
q: Is it human?
a: Yes
q: Are they carrying a surfboard?
a: No
q: Are they near the wave?
a: No
q: Are they behind a surfboard?
a: Yes