context: It is unlikely that Bernhard is green. It is impossible that Brian is yellow. It is likely that Lily is a rhino.
hypothesis: It is impossible that brian is yellow, and Bernhard is green.
valid_hypothesis: It is impossible that brian is yellow, and Bernhard is green.
invalid_hypothesis: There is a better than even chance that brian is yellow, and Bernhard is green.
hypothesis_assertion: Brian is yellow, and Bernhard is green.