context: It is probable that Gertrude is a wolf. Chances are slight that Fred went to the garden. It is certain that Brian is a frog.
hypothesis: It is highly unlikely that gertrude is a wolf, and Brian is a frog.
valid_hypothesis: It is probably the case that gertrude is a wolf, and Brian is a frog.
invalid_hypothesis: It is highly unlikely that gertrude is a wolf, and Brian is a frog.
hypothesis_assertion: Gertrude is a wolf, and Brian is a frog.