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

Guessing-game dialogue about one of the objects:
q: is it a human?
a: No
q: is it a boat?
a: No
q: is it the cement barricade in the front?
a: No
q: is it a ship?
a: No
q: is it a clothing?
a: No
q: is it water?
a: No
q: is it in the water?
a: Yes
q: is the man holding it?
a: Yes
q: is it the white base only?
a: Yes
q: does it include the metal portion on the top?
a: No