context: It is probably not the case that John went to the hallway. There is a very good chance that Sandra dropped the milk. It is certain that Gertrude is a wolf. It is almost certain that if Sandra dropped the milk, and Gertrude is a wolf, then Mary got the football. It is certain that if Gertrude is a wolf, or Sandra dropped the milk, then Brian is a lion. It is unlikely that if Gertrude is a wolf, or Sandra dropped the milk, then Bernhard is green.
hypothesis: There is a very good chance that mary got the football, or John went to the hallway.
valid_hypothesis: There is a very good chance that mary got the football, or John went to the hallway.
invalid_hypothesis: It is probably not the case that mary got the football, or John went to the hallway.
hypothesis_assertion: Mary got the football, or John went to the hallway.