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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a ship?
a: No
q: is it water?
a: No
q: is it on a ship?
a: No
q: is it a boat?
a: Yes
q: Does it have just one passenger?
a: No
q: is it in the middle between a ship and a boat?
a: Yes