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

Guessing-game dialogue about one of the objects:
q: it's boat?
a: No
q: it a person?
a: Yes
q: he is on the boat?
a: Yes
q: Is it the 1st boat on the right, with 9 passengers?
a: No
q: Is it any one of the people on the leftmost boat on the right side of the image?
a: Yes
q: from the right side 1st 4 person one the 2nd boat any of them?
a: Yes
q: 1st one?
a: No
q: 2nd one?
a: No
q: 3rd one?
a: No
q: 4th one?
a: Yes