context: There is a very good chance that Lily is gray. There is little chance that Mary went to the bedroom. It is highly unlikely that Sandra took the apple. It is highly likely that if Mary went to the bedroom, and Lily is gray, then Brian is white. It is highly likely that if Mary went to the bedroom, or Sandra took the apple, then Julius is a swan. There is a better than even chance that if either Sandra took the apple, or Lily is gray, then Bernhard is a frog.
hypothesis: There is a better than even chance that julius is a swan, and Sandra took the apple.
valid_hypothesis: It is highly unlikely that julius is a swan, and Sandra took the apple.
invalid_hypothesis: There is a better than even chance that julius is a swan, and Sandra took the apple.
hypothesis_assertion: Julius is a swan, and Sandra took the apple.