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

Guessing-game dialogue about one of the objects:
q: Is he a human?
a: No
q: Is he standing on it?
a: No
q: It it floating in water?
a: Yes
q: Is the shape round?
a: No
q: Is it covered my rain cover?
a: No
q: Is it a boat?
a: Yes
q: Is it tied to a ball?
a: Yes