premise: .2. Confidential Information shall not include any information:   . (i) That Producer can show by documentary evidence was known to Producer or prior to the date of its disclosure to Producer by Writer or   . (ii) That becomes publicly known, by publication or otherwise, not due to any unauthorized act or omission of Producer or any other party having an obligation of confidentiality to Writer; or,   . (iii) That is subsequently disclos3ed by Writer to any person, firm or corporation on a on-confidential basis; or