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

Guessing-game dialogue about one of the objects:
q: is it in left?
a: Yes
q: is it person?
a: No
q: is it board?
a: No
q: is it ship?
a: Yes
q: is in backmost?
a: N/A
q: i in right alone in back'?
a: No
q: Is it the one in the back in the middle?
a: No
q: is in front?
a: No
q: is in left?
a: Yes
q: is it  1st from left?
a: No
q: is 2nd .?
a: Yes