context: It is highly likely that Lily is a rhino. There is a better than even chance that John went to the bedroom. It is highly unlikely that Greg is a frog.
hypothesis: It is highly unlikely that either John went to the bedroom, or Lily is a rhino.
valid_hypothesis: Chances are about even that either John went to the bedroom, or Lily is a rhino.
invalid_hypothesis: It is highly unlikely that either John went to the bedroom, or Lily is a rhino.
hypothesis_assertion: Either John went to the bedroom, or Lily is a rhino.