context: There is almost no chance that Sandra got the milk. It is improbable that Julius is yellow. It is highly likely that John is in the hallway. There is a better than even chance that if Sandra got the milk, and Julius is yellow, then Fred went to the cinema. It is improbable that if Sandra got the milk, and John is in the hallway, then Lily is a lion. It is probably not the case that if either John is in the hallway, or Sandra got the milk, then Mary took the apple.
hypothesis: It is impossible that fred went to the cinema, or Lily is a lion.
valid_hypothesis: It is impossible that fred went to the cinema, or Lily is a lion.
invalid_hypothesis: It is highly likely that fred went to the cinema, or Lily is a lion.
hypothesis_assertion: Fred went to the cinema, or Lily is a lion.