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

Guessing-game dialogue about one of the objects:
q: is it human?
a: Yes
q: is it the one in the front on the surf board?
a: No
q: is it one of the two people in the back?
a: Yes
q: one of the people is in the middle of the screen the other is towards the left. is it the person towards the left?
a: No
q: is it the person in the middle?
a: Yes