context: Chances are slight that Winona is a sheep. It is improbable that Bernhard is white. It is probably not the case that Brian is a lion.
hypothesis: It is probably not the case that either Winona is a sheep, or Brian is a lion.
valid_hypothesis: It is probably not the case that either Winona is a sheep, or Brian is a lion.
invalid_hypothesis: We believe that either Winona is a sheep, or Brian is a lion.
hypothesis_assertion: Either Winona is a sheep, or Brian is a lion.