context: It is highly unlikely that Lily is green. It is probably not the case that Brian is a swan. There is almost no chance that Bernhard is white.
hypothesis: It is impossible that brian is a swan, and Bernhard is white.
valid_hypothesis: It is impossible that brian is a swan, and Bernhard is white.
invalid_hypothesis: It is probably the case that brian is a swan, and Bernhard is white.
hypothesis_assertion: Brian is a swan, and Bernhard is white.