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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it one of 4 in front?
a: No
q: is it 1 of 2 at back?
a: Yes
q: is it the rightmost?
a: No