context: It is highly likely that John went to the bedroom. Chances are about even that Sandra dropped the apple. It is highly unlikely that Bernhard is a rhino.
hypothesis: It is almost certain that john went to the bedroom, or Sandra dropped the apple.
valid_hypothesis: It is almost certain that john went to the bedroom, or Sandra dropped the apple.
invalid_hypothesis: Chances are about even that john went to the bedroom, or Sandra dropped the apple.
hypothesis_assertion: John went to the bedroom, or Sandra dropped the apple.