context: It is almost certain that Bernhard is a swan. It is almost certain that Julius is green. We believe that Lily is white.
hypothesis: It is highly likely that julius is green, and Bernhard is a swan.
valid_hypothesis: It is highly likely that julius is green, and Bernhard is a swan.
invalid_hypothesis: It is probably not the case that julius is green, and Bernhard is a swan.
hypothesis_assertion: Julius is green, and Bernhard is a swan.