context: It is highly unlikely that Bernhard is a swan. It is certain that Jeff went to the office. It is probably the case that Mary got the apple.
hypothesis: It is probably not the case that either Mary got the apple, or Jeff went to the office.
valid_hypothesis: It is probably not the case that either Mary got the apple, or Jeff went to the office.
invalid_hypothesis: There is a very good chance that either Mary got the apple, or Jeff went to the office.
hypothesis_assertion: Either Mary got the apple, or Jeff went to the office.