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

Guessing-game dialogue about one of the objects:
q: Is it a boat?
a: No
q: Is it a tree?
a: No
q: Is it a person?
a: Yes
q: Is he on a boat?
a: Yes
q: Is he on the boat going towards the right?
a: No
q: Is he on the boat going towards the left?
a: Yes
q: Does he wear something that is kind of white / green?
a: No