Objects in the image:
category: boat
category: boat
category: boat
category: boat
category: boat
category: boat
category: boat
category: boat

Guessing-game dialogue about one of the objects:
q: is it a boat?
a: Yes
q: is it on the left rows of docks or right side? yes for left, no for right side?
a: Yes
q: on that left dock...is it on the left or right side? yes for left, no for right?
a: Yes
q: is it the white boat closest to us?
a: No
q: is it the other white boat that appears smaller?
a: Yes