context: There is little chance that Lily is white. We doubt that Bernhard is gray. Chances are about even that Julius is gray.
hypothesis: It is highly unlikely that julius is gray, and Lily is white.
valid_hypothesis: It is highly unlikely that julius is gray, and Lily is white.
invalid_hypothesis: It is almost certain that julius is gray, and Lily is white.
hypothesis_assertion: Julius is gray, and Lily is white.