context: It is certain that Bernhard is a swan. It is likely that Lily is a rhino. It is improbable that Mary went to the bedroom. Chances are about even that if Bernhard is a swan, or Mary went to the bedroom, then John discarded the apple. It is certain that if Lily is a rhino, or Mary went to the bedroom, then Daniel is in the garden. We doubt that if Mary went to the bedroom, and Lily is a rhino, then Greg is a frog.
hypothesis: Chances are about even that bernhard is a swan, or Daniel is in the garden.
valid_hypothesis: It is certain that bernhard is a swan, or Daniel is in the garden.
invalid_hypothesis: Chances are about even that bernhard is a swan, or Daniel is in the garden.
hypothesis_assertion: Bernhard is a swan, or Daniel is in the garden.