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

Guessing-game dialogue about one of the objects:
q: is it person?
a: No
q: is it boat?
a: Yes
q: is pink boat on right?
a: No
q: is it blue boat at left?
a: No
q: is it big boat right of opera house?
a: Yes
q: one maybe yellow n black?
a: Yes