context: It is highly likely that Brian is a swan. It is unlikely that Mary moved to the garden. We believe that Bernhard is yellow.
hypothesis: It is unlikely that brian is a swan, and Mary moved to the garden.
valid_hypothesis: It is unlikely that brian is a swan, and Mary moved to the garden.
invalid_hypothesis: It is almost certain that brian is a swan, and Mary moved to the garden.
hypothesis_assertion: Brian is a swan, and Mary moved to the garden.