context: Chances are about even that Julius is yellow. There is a better than even chance that Lily is a frog. It is probably not the case that Fred went to the bedroom.
hypothesis: It is certain that either Fred went to the bedroom, or Julius is yellow.
valid_hypothesis: Chances are about even that either Fred went to the bedroom, or Julius is yellow.
invalid_hypothesis: It is certain that either Fred went to the bedroom, or Julius is yellow.
hypothesis_assertion: Either Fred went to the bedroom, or Julius is yellow.