context: It is highly likely that John got the football. It is unlikely that Sandra dropped the milk. Chances are about even that Brian is a rhino.
hypothesis: It is almost certain that john got the football, or Brian is a rhino.
valid_hypothesis: It is almost certain that john got the football, or Brian is a rhino.
invalid_hypothesis: It is unlikely that john got the football, or Brian is a rhino.
hypothesis_assertion: John got the football, or Brian is a rhino.