context: It is impossible that Daniel left the football. It is almost certain that Greg is a swan. It is impossible that Mary dropped the milk. There is a very good chance that if either Greg is a swan, or Daniel left the football, then Bernhard is gray. There is a better than even chance that if Greg is a swan, or Daniel left the football, then John went to the office. We doubt that if Mary dropped the milk, and Daniel left the football, then Brian is a lion.
hypothesis: We believe that either Bernhard is gray, or Mary dropped the milk.
valid_hypothesis: We believe that either Bernhard is gray, or Mary dropped the milk.
invalid_hypothesis: We doubt that either Bernhard is gray, or Mary dropped the milk.
hypothesis_assertion: Either Bernhard is gray, or Mary dropped the milk.