context: It is probable that Julius is a frog. It is probable that John dropped the apple. We believe that Winona is a wolf.
hypothesis: Chances are about even that either Winona is a wolf, or Julius is a frog.
valid_hypothesis: Chances are about even that either Winona is a wolf, or Julius is a frog.
invalid_hypothesis: It is impossible that either Winona is a wolf, or Julius is a frog.
hypothesis_assertion: Either Winona is a wolf, or Julius is a frog.