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

Guessing-game dialogue about one of the objects:
q: is object the weird boat?
a: No
q: is object a building?
a: No
q: is object a person?
a: Yes
q: is person wearing black suit?
a: Yes
q: is person standing alone?
a: No
q: is person the only one wearing black suit in the group they are standing in?
a: Yes