context: We believe that Bernhard is gray. It is probable that Greg is a swan. We doubt that John went to the bedroom. We doubt that if either John went to the bedroom, or Greg is a swan, then Lily is a lion. There is almost no chance that if either John went to the bedroom, or Greg is a swan, then Sandra grabbed the milk. It is certain that if either Greg is a swan, or Bernhard is gray, then Mary got the football.
hypothesis: It is probably the case that either Sandra grabbed the milk, or Lily is a lion.
valid_hypothesis: It is improbable that either Sandra grabbed the milk, or Lily is a lion.
invalid_hypothesis: It is probably the case that either Sandra grabbed the milk, or Lily is a lion.
hypothesis_assertion: Either Sandra grabbed the milk, or Lily is a lion.