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

Guessing-game dialogue about one of the objects:
q: is it a boat?
a: No
q: is it something on a boat?
a: Yes
q: is it on the main boat in the middle of the picture?
a: No
q: to the left?
a: No
q: is it a person?
a: Yes
q: are they wearing white?
a: No
q: are they wearing black?
a: Yes
q: are they standing next to the guy in white?
a: No