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

Guessing-game dialogue about one of the objects:
q: is a boat?
a: Yes
q: is a big one?
a: No
q: one of the 2 white boats in the right end?
a: Yes
q: left one?
a: No