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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: are the in the background?
a: Yes
q: do they wear black?
a: Yes
q: are they directly behind the sail?
a: Yes
q: are they mostly visible?
a: No