context: There is a better than even chance that Bernhard is a frog. It is probably not the case that Greg is a swan. There is a better than even chance that John went to the hallway.
hypothesis: It is certain that either John went to the hallway, or Bernhard is a frog.
valid_hypothesis: Chances are about even that either John went to the hallway, or Bernhard is a frog.
invalid_hypothesis: It is certain that either John went to the hallway, or Bernhard is a frog.
hypothesis_assertion: Either John went to the hallway, or Bernhard is a frog.