context: It is highly unlikely that Brian is gray. It is almost certain that Lily is a rhino. There is almost no chance that Mary left the milk. It is likely that if either Mary left the milk, or Brian is gray, then Greg is white. There is almost no chance that if Mary left the milk, and Lily is a rhino, then Bernhard is green. There is little chance that if Mary left the milk, or Lily is a rhino, then John discarded the apple.
hypothesis: It is likely that mary left the milk, or Greg is white.
valid_hypothesis: It is highly unlikely that mary left the milk, or Greg is white.
invalid_hypothesis: It is likely that mary left the milk, or Greg is white.
hypothesis_assertion: Mary left the milk, or Greg is white.