context: There is almost no chance that Sandra got the football. It is probable that Bernhard is yellow. We doubt that Brian is green. It is highly unlikely that if Sandra got the football, and Brian is green, then Daniel left the apple. We believe that if Bernhard is yellow, or Brian is green, then Bill went to the bedroom. We believe that if either Bernhard is yellow, or Sandra got the football, then Mary put down the apple.
hypothesis: There is almost no chance that bill went to the bedroom, and Sandra got the football.
valid_hypothesis: There is almost no chance that bill went to the bedroom, and Sandra got the football.
invalid_hypothesis: It is probably the case that bill went to the bedroom, and Sandra got the football.
hypothesis_assertion: Bill went to the bedroom, and Sandra got the football.