context: We believe that Greg is a swan. It is probable that John went to the hallway. It is probably not the case that Daniel left the apple. There is almost no chance that if Daniel left the apple, and John went to the hallway, then Antoine is hungry. There is a very good chance that if either John went to the hallway, or Daniel left the apple, then Winona is a cat. There is little chance that if Greg is a swan, and John went to the hallway, then Bernhard is gray.
hypothesis: It is certain that daniel left the apple, and John went to the hallway.
valid_hypothesis: We doubt that daniel left the apple, and John went to the hallway.
invalid_hypothesis: It is certain that daniel left the apple, and John went to the hallway.
hypothesis_assertion: Daniel left the apple, and John went to the hallway.