context: It is impossible that Gertrude is a wolf. It is improbable that Greg is a frog. It is almost certain that Bernhard is gray.
hypothesis: It is impossible that gertrude is a wolf, and Bernhard is gray.
valid_hypothesis: It is impossible that gertrude is a wolf, and Bernhard is gray.
invalid_hypothesis: It is probable that gertrude is a wolf, and Bernhard is gray.
hypothesis_assertion: Gertrude is a wolf, and Bernhard is gray.