context: It is certain that Bernhard is green. There is almost no chance that John went to the bedroom. It is probably not the case that Julius is gray. Chances are about even that if John went to the bedroom, or Julius is gray, then Mary took the apple. It is certain that if Bernhard is green, and John went to the bedroom, then Brian is a lion. Chances are about even that if either John went to the bedroom, or Julius is gray, then Greg is white.
hypothesis: There is a very good chance that bernhard is green, and John went to the bedroom.
valid_hypothesis: There is almost no chance that bernhard is green, and John went to the bedroom.
invalid_hypothesis: There is a very good chance that bernhard is green, and John went to the bedroom.
hypothesis_assertion: Bernhard is green, and John went to the bedroom.