context: It is improbable that Mary got the football. It is highly likely that John went to the hallway. There is a very good chance that Greg is a lion.
hypothesis: It is probable that mary got the football, and Greg is a lion.
valid_hypothesis: It is improbable that mary got the football, and Greg is a lion.
invalid_hypothesis: It is probable that mary got the football, and Greg is a lion.
hypothesis_assertion: Mary got the football, and Greg is a lion.