context: It is impossible that Lily is a lion. There is a better than even chance that Julius is a rhino. Chances are slight that Bernhard is a swan.
hypothesis: It is impossible that lily is a lion, and Julius is a rhino.
valid_hypothesis: It is impossible that lily is a lion, and Julius is a rhino.
invalid_hypothesis: It is almost certain that lily is a lion, and Julius is a rhino.
hypothesis_assertion: Lily is a lion, and Julius is a rhino.