context: It is almost certain that Brian is gray. It is probably not the case that Julius is yellow. It is probable that Winona is a sheep.
hypothesis: It is certain that winona is a sheep, or Brian is gray.
valid_hypothesis: It is certain that winona is a sheep, or Brian is gray.
invalid_hypothesis: There is almost no chance that winona is a sheep, or Brian is gray.
hypothesis_assertion: Winona is a sheep, or Brian is gray.