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

Guessing-game dialogue about one of the objects:
q: Is it a boat?
a: No
q: Is it on one of the boats?
a: Yes
q: Is it a person?
a: Yes
q: Is it the guy on the 3rd boat from the bottom?
a: Yes