context: Chances are about even that Lily is yellow. It is impossible that Bernhard is white. We believe that Sandra grabbed the milk. There is a better than even chance that if Bernhard is white, or Lily is yellow, then Bill moved to the office. There is little chance that if Sandra grabbed the milk, or Bernhard is white, then John went to the bedroom. It is almost certain that if Bernhard is white, and Lily is yellow, then Greg is green.
hypothesis: It is impossible that lily is yellow, and Greg is green.
valid_hypothesis: It is impossible that lily is yellow, and Greg is green.
invalid_hypothesis: It is almost certain that lily is yellow, and Greg is green.
hypothesis_assertion: Lily is yellow, and Greg is green.