context: It is highly unlikely that John picked up the apple. We doubt that Sandra grabbed the milk. There is a better than even chance that Brian is white. It is highly likely that if Sandra grabbed the milk, or Brian is white, then Mary moved to the garden. It is highly unlikely that if John picked up the apple, and Sandra grabbed the milk, then Greg is a swan. It is highly likely that if Sandra grabbed the milk, or John picked up the apple, then Lily is a lion.
hypothesis: It is almost certain that john picked up the apple, or Lily is a lion.
valid_hypothesis: It is unlikely that john picked up the apple, or Lily is a lion.
invalid_hypothesis: It is almost certain that john picked up the apple, or Lily is a lion.
hypothesis_assertion: John picked up the apple, or Lily is a lion.