context: It is likely that Brian is green. Chances are slight that Mary moved to the garden. It is improbable that Lily is white. It is impossible that if Lily is white, and Mary moved to the garden, then Winona is a cat. It is improbable that if Lily is white, or Brian is green, then Bernhard is gray. Chances are slight that if Lily is white, or Mary moved to the garden, then John went to the bedroom.
hypothesis: It is highly unlikely that bernhard is gray, and Brian is green.
valid_hypothesis: It is highly unlikely that bernhard is gray, and Brian is green.
invalid_hypothesis: Chances are about even that bernhard is gray, and Brian is green.
hypothesis_assertion: Bernhard is gray, and Brian is green.