context: Chances are slight that Julius is gray. There is a very good chance that Mary left the apple. Chances are about even that Lily is a rhino. It is unlikely that if Lily is a rhino, and Mary left the apple, then Jessica is a wolf. It is likely that if Lily is a rhino, and Mary left the apple, then Brian is white. It is certain that if Lily is a rhino, or Julius is gray, then John went to the bedroom.
hypothesis: It is certain that john went to the bedroom, and Julius is gray.
valid_hypothesis: Chances are slight that john went to the bedroom, and Julius is gray.
invalid_hypothesis: It is certain that john went to the bedroom, and Julius is gray.
hypothesis_assertion: John went to the bedroom, and Julius is gray.