context: A white-haired man reclines in a seat pad on a boat's deck, reading a book.
hypothesis: There is a very good chance that a man reclines in a seat pad on a boat, while reading a book and enjoying his day off.
valid_hypothesis: There is a very good chance that a man reclines in a seat pad on a boat, while reading a book and enjoying his day off.
invalid_hypothesis: It is improbable that a man reclines in a seat pad on a boat, while reading a book and enjoying his day off.
hypothesis_assertion: a man reclines in a seat pad on a boat, while reading a book and enjoying his day off.