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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a piece of quipment?
a: Yes
q: is it green?
a: No
q: is the girl in front sitting on it?
a: No
q: is it in the middle of the picture?
a: Yes