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

Guessing-game dialogue about one of the objects:
q: is it a boat?
a: No
q: is it a car?
a: No
q: is it a person?
a: Yes
q: is it in the top level?
a: Yes
q: is it towards the center?
a: Yes
q: is it the person at the center of the top level?
a: Yes