context: There is a very good chance that Bernhard is a swan. It is certain that Brian is green. It is probable that Mary went to the garden.
hypothesis: It is certain that mary went to the garden, or Brian is green.
valid_hypothesis: It is certain that mary went to the garden, or Brian is green.
invalid_hypothesis: There is almost no chance that mary went to the garden, or Brian is green.
hypothesis_assertion: Mary went to the garden, or Brian is green.