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

Guessing-game dialogue about one of the objects:
q: is it a man on a surfboard?
a: No
q: is it a wave?
a: No
q: is it a surfboard?
a: Yes
q: is it the surfboard on the left?
a: No
q: is it the surfboard in the middle?
a: Yes