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

Guessing-game dialogue about one of the objects:
q: is it a person?
a: No
q: the plane?
a: No
q: a boat?
a: No
q: the tree?
a: No
q: on a person?
a: Yes
q: one of the two closest to us?
a: Yes
q: backpack on left?
a: Yes