context: There is a very good chance that Brian is a lion. Chances are about even that Julius is green. It is probable that Sandra grabbed the milk. It is improbable that if either Julius is green, or Sandra grabbed the milk, then Lily is a frog. We believe that if Brian is a lion, or Julius is green, then Mary went to the bedroom. It is likely that if either Julius is green, or Brian is a lion, then Bernhard is gray.
hypothesis: It is probably the case that sandra grabbed the milk, and Bernhard is gray.
valid_hypothesis: It is probably not the case that sandra grabbed the milk, and Bernhard is gray.
invalid_hypothesis: It is probably the case that sandra grabbed the milk, and Bernhard is gray.
hypothesis_assertion: Sandra grabbed the milk, and Bernhard is gray.