context: It is almost certain that John went to the hallway. It is probable that Mary moved to the garden. It is almost certain that Julius is gray.
hypothesis: It is probably not the case that either Julius is gray, or Mary moved to the garden.
valid_hypothesis: It is probably not the case that either Julius is gray, or Mary moved to the garden.
invalid_hypothesis: We believe that either Julius is gray, or Mary moved to the garden.
hypothesis_assertion: Either Julius is gray, or Mary moved to the garden.