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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it black?
a: No
q: is it white?
a: No
q: is it on the ship?
a: No
q: is it in the background?
a: No
q: is it on any of the persons?
a: Yes
q: is it on the neck of the person?
a: Yes
q: is it on the neck of a man?
a: Yes
q: is it purple?
a: Yes