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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: person in front?
a: No
q: one of 2 with white surfboard in his hand?
a: Yes
q: the person on right most?
a: Yes