context: There is a very good chance that John left the apple. It is highly unlikely that Lily is a lion. It is probably the case that Mary went to the bedroom. It is almost certain that if Mary went to the bedroom, or John left the apple, then Bernhard is a swan. Chances are slight that if John left the apple, or Mary went to the bedroom, then Greg is a frog. It is certain that if Mary went to the bedroom, or John left the apple, then Sumit is thirsty.
hypothesis: We believe that either John left the apple, or Lily is a lion.
valid_hypothesis: We believe that either John left the apple, or Lily is a lion.
invalid_hypothesis: It is impossible that either John left the apple, or Lily is a lion.
hypothesis_assertion: Either John left the apple, or Lily is a lion.