context: It is almost certain that John grabbed the milk. There is a very good chance that Brian is a lion. It is certain that Julius is white.
hypothesis: It is certain that julius is white, or John grabbed the milk.
valid_hypothesis: It is certain that julius is white, or John grabbed the milk.
invalid_hypothesis: It is improbable that julius is white, or John grabbed the milk.
hypothesis_assertion: Julius is white, or John grabbed the milk.