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

Guessing-game dialogue about one of the objects:
q: Is it human?
a: No
q: Is it moving with the wind?
a: No
q: Is it used to ride over water?
a: Yes
q: Are two people carrying it?
a: Yes