context: There is little chance that Julius is gray. It is improbable that Bernhard is a swan. It is almost certain that Brian is green.
hypothesis: Chances are slight that either Bernhard is a swan, or Brian is green.
valid_hypothesis: It is highly likely that either Bernhard is a swan, or Brian is green.
invalid_hypothesis: Chances are slight that either Bernhard is a swan, or Brian is green.
hypothesis_assertion: Either Bernhard is a swan, or Brian is green.