context: We doubt that Greg is green. We doubt that Lily is yellow. It is certain that Julius is a swan.
hypothesis: It is probably not the case that either Lily is yellow, or Greg is green.
valid_hypothesis: It is probably not the case that either Lily is yellow, or Greg is green.
invalid_hypothesis: We believe that either Lily is yellow, or Greg is green.
hypothesis_assertion: Either Lily is yellow, or Greg is green.