context: Chances are about even that John moved to the garden. It is almost certain that Sandra got the football. It is highly unlikely that Brian is green. There is almost no chance that if Sandra got the football, and John moved to the garden, then Bernhard is gray. It is certain that if either Sandra got the football, or Brian is green, then Julius is gray. We believe that if Sandra got the football, and Brian is green, then Fred went to the bedroom.
hypothesis: It is probably the case that fred went to the bedroom, and Bernhard is gray.
valid_hypothesis: It is impossible that fred went to the bedroom, and Bernhard is gray.
invalid_hypothesis: It is probably the case that fred went to the bedroom, and Bernhard is gray.
hypothesis_assertion: Fred went to the bedroom, and Bernhard is gray.