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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Are they on the red boat?
a: Yes
q: Are they wearing a life preserver?
a: No
q: Are they wearing blue?
a: Yes