context: It is almost certain that Mary got the apple. There is almost no chance that Greg is a swan. Chances are slight that Gertrude is a wolf.
hypothesis: It is improbable that either Gertrude is a wolf, or Greg is a swan.
valid_hypothesis: It is improbable that either Gertrude is a wolf, or Greg is a swan.
invalid_hypothesis: It is certain that either Gertrude is a wolf, or Greg is a swan.
hypothesis_assertion: Either Gertrude is a wolf, or Greg is a swan.