context: We believe that Brian is gray. It is highly unlikely that Lily is white. There is a better than even chance that Julius is white.
hypothesis: Chances are about even that julius is white, and Lily is white.
valid_hypothesis: There is almost no chance that julius is white, and Lily is white.
invalid_hypothesis: Chances are about even that julius is white, and Lily is white.
hypothesis_assertion: Julius is white, and Lily is white.