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

Guessing-game dialogue about one of the objects:
q: Is it a person?
a: Yes
q: Is it the skier or someone on the boat?
a: Yes
q: Is it someone on the boat?
a: Yes
q: Is it one of the three people on the right?
a: No
q: Is it the one in front of the boat on the left?
a: Yes