context: It is highly unlikely that Winona is a sheep. It is highly likely that Greg is gray. It is highly likely that Brian is a lion.
hypothesis: It is impossible that either Winona is a sheep, or Greg is gray.
valid_hypothesis: It is highly likely that either Winona is a sheep, or Greg is gray.
invalid_hypothesis: It is impossible that either Winona is a sheep, or Greg is gray.
hypothesis_assertion: Either Winona is a sheep, or Greg is gray.