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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the left one?
a: Yes
q: The whole thing?
a: N/A
q: is it his life vest?
a: No
q: But his head then?
a: No
q: his legs?
a: No