context: Chances are about even that Julius is a lion. There is a very good chance that Lily is a frog. It is almost certain that John went to the garden.
hypothesis: It is impossible that either Lily is a frog, or Julius is a lion.
valid_hypothesis: Chances are about even that either Lily is a frog, or Julius is a lion.
invalid_hypothesis: It is impossible that either Lily is a frog, or Julius is a lion.
hypothesis_assertion: Either Lily is a frog, or Julius is a lion.