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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the one in the water?
a: No
q: is it the first guy waiting in line?
a: No
q: is it the guy waiting behind him?
a: No
q: can you just see the surfboard?
a: No
q: is it the last guy in line?
a: Yes