context: Chances are slight that Bernhard is a swan. It is unlikely that Brian is yellow. It is highly likely that Greg is white. There is a very good chance that if either Greg is white, or Bernhard is a swan, then Lily is a lion. It is almost certain that if Brian is yellow, and Greg is white, then Sandra took the milk. It is almost certain that if Bernhard is a swan, and Brian is yellow, then Mary moved to the office.
hypothesis: It is unlikely that sandra took the milk, or Lily is a lion.
valid_hypothesis: It is likely that sandra took the milk, or Lily is a lion.
invalid_hypothesis: It is unlikely that sandra took the milk, or Lily is a lion.
hypothesis_assertion: Sandra took the milk, or Lily is a lion.