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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a boat?
a: No
q: is it water skis?
a: Yes
q: are the skis toward the bottom of the photo?
a: No