context: It is probable that Jessica is a sheep. Chances are about even that John went to the bedroom. It is probably the case that Greg is yellow. It is likely that if either Jessica is a sheep, or John went to the bedroom, then Julie is in the kitchen. Chances are about even that if John went to the bedroom, or Greg is yellow, then Bernhard is a swan. It is impossible that if John went to the bedroom, or Greg is yellow, then Julius is a lion.
hypothesis: It is impossible that either Julius is a lion, or Bernhard is a swan.
valid_hypothesis: Chances are about even that either Julius is a lion, or Bernhard is a swan.
invalid_hypothesis: It is impossible that either Julius is a lion, or Bernhard is a swan.
hypothesis_assertion: Either Julius is a lion, or Bernhard is a swan.