context: It is almost certain that Brian is a swan. It is probable that Gertrude is a mouse. It is impossible that Bernhard is a lion.
hypothesis: It is unlikely that gertrude is a mouse, or Brian is a swan.
valid_hypothesis: It is certain that gertrude is a mouse, or Brian is a swan.
invalid_hypothesis: It is unlikely that gertrude is a mouse, or Brian is a swan.
hypothesis_assertion: Gertrude is a mouse, or Brian is a swan.