context: We believe that Brian is a swan. There is a better than even chance that Julius is a rhino. We doubt that Lily is a frog.
hypothesis: It is highly unlikely that lily is a frog, or Julius is a rhino.
valid_hypothesis: It is probable that lily is a frog, or Julius is a rhino.
invalid_hypothesis: It is highly unlikely that lily is a frog, or Julius is a rhino.
hypothesis_assertion: Lily is a frog, or Julius is a rhino.