context: We believe that Lily is a rhino. It is highly unlikely that Julius is a frog. It is almost certain that Brian is a frog.
hypothesis: It is highly unlikely that brian is a frog, and Lily is a rhino.
valid_hypothesis: It is likely that brian is a frog, and Lily is a rhino.
invalid_hypothesis: It is highly unlikely that brian is a frog, and Lily is a rhino.
hypothesis_assertion: Brian is a frog, and Lily is a rhino.