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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: the one standing up on the board?
a: No
q: the one sitting on the board?
a: No
q: one of the two on the orange pedal boat?
a: Yes
q: the one on the left?
a: No