context: It is highly likely that Bernhard is a swan. It is certain that Fred went to the hallway. It is certain that Greg is gray. We believe that if either Greg is gray, or Bernhard is a swan, then Mary moved to the garden. It is highly likely that if Greg is gray, and Bernhard is a swan, then John put down the milk. There is a very good chance that if Bernhard is a swan, and Greg is gray, then Brian is a rhino.
hypothesis: There is a very good chance that mary moved to the garden, and Bernhard is a swan.
valid_hypothesis: It is impossible that mary moved to the garden, and Bernhard is a swan.
invalid_hypothesis: There is a very good chance that mary moved to the garden, and Bernhard is a swan.
hypothesis_assertion: Mary moved to the garden, and Bernhard is a swan.