context: Chances are about even that Julius is gray. It is highly likely that Mary got the apple. There is a very good chance that John moved to the garden.
hypothesis: We believe that either John moved to the garden, or Mary got the apple.
valid_hypothesis: It is probably not the case that either John moved to the garden, or Mary got the apple.
invalid_hypothesis: We believe that either John moved to the garden, or Mary got the apple.
hypothesis_assertion: Either John moved to the garden, or Mary got the apple.