context: There is almost no chance that Bernhard is a frog. It is likely that Brian is a swan. It is probably not the case that Julius is a lion.
hypothesis: It is impossible that bernhard is a frog, and Julius is a lion.
valid_hypothesis: It is impossible that bernhard is a frog, and Julius is a lion.
invalid_hypothesis: There is a better than even chance that bernhard is a frog, and Julius is a lion.
hypothesis_assertion: Bernhard is a frog, and Julius is a lion.