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

Guessing-game dialogue about one of the objects:
q: is it an object?
a: Yes
q: is it a surfbord?
a: N/A
q: is it a surfboard?
a: Yes
q: is it in the center?
a: Yes
q: is it in the left?
a: No