context: It is highly likely that Mary picked up the milk. It is improbable that John dropped the apple. We believe that Lily is a lion. There is almost no chance that if either Mary picked up the milk, or John dropped the apple, then Brian is white. There is little chance that if either Mary picked up the milk, or Lily is a lion, then Daniel took the football. It is likely that if John dropped the apple, and Lily is a lion, then Bernhard is white.
hypothesis: There is little chance that john dropped the apple, or Brian is white.
valid_hypothesis: There is little chance that john dropped the apple, or Brian is white.
invalid_hypothesis: It is highly likely that john dropped the apple, or Brian is white.
hypothesis_assertion: John dropped the apple, or Brian is white.