context: There is a better than even chance that Sandra left the apple. There is a better than even chance that Bernhard is a swan. It is almost certain that Greg is yellow. There is a very good chance that if Bernhard is a swan, or Sandra left the apple, then Lily is green. There is a better than even chance that if Greg is yellow, or Bernhard is a swan, then John went to the garden. We believe that if Bernhard is a swan, and Greg is yellow, then Julius is a frog.
hypothesis: It is impossible that either Sandra left the apple, or John went to the garden.
valid_hypothesis: Chances are about even that either Sandra left the apple, or John went to the garden.
invalid_hypothesis: It is impossible that either Sandra left the apple, or John went to the garden.
hypothesis_assertion: Either Sandra left the apple, or John went to the garden.