context: It is improbable that Julius is gray. We doubt that Greg is gray. It is highly likely that Bernhard is yellow.
hypothesis: It is likely that julius is gray, and Bernhard is yellow.
valid_hypothesis: Chances are slight that julius is gray, and Bernhard is yellow.
invalid_hypothesis: It is likely that julius is gray, and Bernhard is yellow.
hypothesis_assertion: Julius is gray, and Bernhard is yellow.