context: It is likely that Bernhard is a swan. It is almost certain that Sandra got the football. It is probably the case that John grabbed the milk.
hypothesis: It is almost certain that either Sandra got the football, or John grabbed the milk.
valid_hypothesis: It is probably not the case that either Sandra got the football, or John grabbed the milk.
invalid_hypothesis: It is almost certain that either Sandra got the football, or John grabbed the milk.
hypothesis_assertion: Either Sandra got the football, or John grabbed the milk.