context: It is unlikely that Brian is a swan. It is unlikely that John dropped the apple. There is almost no chance that Julie is in the office.
hypothesis: It is highly unlikely that john dropped the apple, and Brian is a swan.
valid_hypothesis: It is highly unlikely that john dropped the apple, and Brian is a swan.
invalid_hypothesis: There is a better than even chance that john dropped the apple, and Brian is a swan.
hypothesis_assertion: John dropped the apple, and Brian is a swan.