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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: Yes
q: is he on the boat in the middle of lake?
a: No