context: There is a very good chance that Brian is a lion. Chances are about even that Daniel grabbed the milk. It is almost certain that Julius is a rhino. There is a very good chance that if Julius is a rhino, and Brian is a lion, then Fred is in the bedroom. It is likely that if either Brian is a lion, or Julius is a rhino, then Mary discarded the apple. It is improbable that if either Daniel grabbed the milk, or Julius is a rhino, then Greg is gray.
hypothesis: It is probably not the case that brian is a lion, or Daniel grabbed the milk.
valid_hypothesis: It is highly likely that brian is a lion, or Daniel grabbed the milk.
invalid_hypothesis: It is probably not the case that brian is a lion, or Daniel grabbed the milk.
hypothesis_assertion: Brian is a lion, or Daniel grabbed the milk.