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

Guessing-game dialogue about one of the objects:
q: is it person?
a: Yes
q: someone in the water?
a: Yes
q: left most person?
a: Yes