context: It is probably not the case that John dropped the apple. It is unlikely that Greg is a swan. It is impossible that Mary moved to the office.
hypothesis: It is probably not the case that either Greg is a swan, or John dropped the apple.
valid_hypothesis: It is probably not the case that either Greg is a swan, or John dropped the apple.
invalid_hypothesis: It is highly likely that either Greg is a swan, or John dropped the apple.
hypothesis_assertion: Either Greg is a swan, or John dropped the apple.