context: It is probable that Fred put down the apple. It is probable that Brian is yellow. It is highly likely that Julius is a lion.
hypothesis: It is probably not the case that either Julius is a lion, or Fred put down the apple.
valid_hypothesis: It is probably not the case that either Julius is a lion, or Fred put down the apple.
invalid_hypothesis: It is certain that either Julius is a lion, or Fred put down the apple.
hypothesis_assertion: Either Julius is a lion, or Fred put down the apple.