context: There is almost no chance that Bernhard is a swan. It is impossible that Sandra left the milk. It is highly unlikely that Lily is a frog.
hypothesis: It is almost certain that either Bernhard is a swan, or Sandra left the milk.
valid_hypothesis: There is almost no chance that either Bernhard is a swan, or Sandra left the milk.
invalid_hypothesis: It is almost certain that either Bernhard is a swan, or Sandra left the milk.
hypothesis_assertion: Either Bernhard is a swan, or Sandra left the milk.