context: It is highly unlikely that Lily is a frog. It is highly likely that Brian is a rhino. It is certain that Julius is gray.
hypothesis: It is improbable that either Brian is a rhino, or Julius is gray.
valid_hypothesis: It is improbable that either Brian is a rhino, or Julius is gray.
invalid_hypothesis: It is highly likely that either Brian is a rhino, or Julius is gray.
hypothesis_assertion: Either Brian is a rhino, or Julius is gray.