context: It is highly unlikely that Mary got the football. Chances are about even that Daniel left the apple. There is little chance that Greg is yellow. Chances are about even that if either Daniel left the apple, or Greg is yellow, then Bill went to the office. It is improbable that if Daniel left the apple, or Greg is yellow, then Bernhard is a lion. There is a very good chance that if Greg is yellow, and Mary got the football, then Brian is a frog.
hypothesis: There is almost no chance that mary got the football, and Daniel left the apple.
valid_hypothesis: There is almost no chance that mary got the football, and Daniel left the apple.
invalid_hypothesis: It is highly likely that mary got the football, and Daniel left the apple.
hypothesis_assertion: Mary got the football, and Daniel left the apple.