context: There is little chance that Daniel got the apple. We believe that Julius is white. There is a better than even chance that Mary went to the office. We doubt that if Daniel got the apple, and Mary went to the office, then Bernhard is gray. It is almost certain that if Julius is white, or Daniel got the apple, then Greg is a swan. It is almost certain that if Mary went to the office, or Daniel got the apple, then Bill dropped the milk.
hypothesis: Chances are about even that bill dropped the milk, and Greg is a swan.
valid_hypothesis: Chances are about even that bill dropped the milk, and Greg is a swan.
invalid_hypothesis: It is impossible that bill dropped the milk, and Greg is a swan.
hypothesis_assertion: Bill dropped the milk, and Greg is a swan.