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

Guessing-game dialogue about one of the objects:
q: Is it a boat?
a: No
q: Is it a person?
a: Yes
q: the one in the front?
a: No
q: the one behind?
a: Yes