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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: is it a rock?
a: No
q: is it the flag?
a: No
q: is it a surfboard?
a: Yes
q: it is the one in the front left side?
a: No
q: is it in the middle?
a: Yes
q: is someone standing on the board?
a: No