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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Are they wearing a green shirt?
a: No
q: A grey shirt?
a: Yes
q: Anywhere on the person?
a: Yes