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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it something in the boat?
a: No
q: is it a boat?
a: Yes
q: is it the big long boat behind the person?
a: No
q: is it the boat the person is in?
a: No
q: is it the pretty blue boat in the background?
a: No
q: is it on the left side of the picture?
a: Yes
q: does it have people in it?
a: No
q: is it behind that boat?
a: Yes