context: It is almost certain that Lily is a frog. It is impossible that Gertrude is a cat. It is highly unlikely that Daniel left the milk.
hypothesis: It is impossible that gertrude is a cat, and Lily is a frog.
valid_hypothesis: It is impossible that gertrude is a cat, and Lily is a frog.
invalid_hypothesis: It is almost certain that gertrude is a cat, and Lily is a frog.
hypothesis_assertion: Gertrude is a cat, and Lily is a frog.