context: There is almost no chance that Sandra put down the milk. There is a better than even chance that Lily is white. Chances are about even that Mary dropped the apple. It is certain that if Mary dropped the apple, and Sandra put down the milk, then Bernhard is a lion. We believe that if Lily is white, or Sandra put down the milk, then John went to the hallway. It is probably the case that if either Sandra put down the milk, or Lily is white, then Fred is in the office.
hypothesis: There is almost no chance that sandra put down the milk, and Lily is white.
valid_hypothesis: There is almost no chance that sandra put down the milk, and Lily is white.
invalid_hypothesis: It is certain that sandra put down the milk, and Lily is white.
hypothesis_assertion: Sandra put down the milk, and Lily is white.