context: It is improbable that Greg is a frog. It is probably not the case that Bill went to the cinema. It is certain that John picked up the apple.
hypothesis: There is a very good chance that either Bill went to the cinema, or Greg is a frog.
valid_hypothesis: It is probably not the case that either Bill went to the cinema, or Greg is a frog.
invalid_hypothesis: There is a very good chance that either Bill went to the cinema, or Greg is a frog.
hypothesis_assertion: Either Bill went to the cinema, or Greg is a frog.