context: Chances are about even that Bernhard is a swan. It is probable that Mary moved to the office. It is highly unlikely that Brian is green.
hypothesis: It is highly unlikely that either Bernhard is a swan, or Mary moved to the office.
valid_hypothesis: Chances are about even that either Bernhard is a swan, or Mary moved to the office.
invalid_hypothesis: It is highly unlikely that either Bernhard is a swan, or Mary moved to the office.
hypothesis_assertion: Either Bernhard is a swan, or Mary moved to the office.