context: It is improbable that Brian is green. It is almost certain that Bill went to the garden. It is certain that Lily is a rhino.
hypothesis: It is impossible that either Brian is green, or Bill went to the garden.
valid_hypothesis: It is highly likely that either Brian is green, or Bill went to the garden.
invalid_hypothesis: It is impossible that either Brian is green, or Bill went to the garden.
hypothesis_assertion: Either Brian is green, or Bill went to the garden.