context: It is impossible that Bernhard is a swan. There is a very good chance that Julius is a lion. Chances are slight that Lily is a frog.
hypothesis: It is improbable that julius is a lion, and Lily is a frog.
valid_hypothesis: It is improbable that julius is a lion, and Lily is a frog.
invalid_hypothesis: It is likely that julius is a lion, and Lily is a frog.
hypothesis_assertion: Julius is a lion, and Lily is a frog.