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

Guessing-game dialogue about one of the objects:
q: is a person?
a: Yes
q: is a boat?
a: Yes
q: person on boat ??
a: No