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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it a ball?
a: No
q: is it the sail?
a: Yes
q: the blue and white one?
a: Yes
q: is it the boat also?
a: Yes