context: It is probably the case that Brian is gray. It is unlikely that Mary went to the garden. It is improbable that John took the apple.
hypothesis: It is probably not the case that either John took the apple, or Mary went to the garden.
valid_hypothesis: It is probably not the case that either John took the apple, or Mary went to the garden.
invalid_hypothesis: It is almost certain that either John took the apple, or Mary went to the garden.
hypothesis_assertion: Either John took the apple, or Mary went to the garden.