[{'role': 'user', 'content': "Analyze the following clause from a privacy policy and determine if it's fair or unfair. Also identify any privacy practices mentioned: 5.3. Exceptions. Without granting any right or license, the obligations of the parties hereunder shall not apply to any material or information that: (i) is or becomes a part of the public domain through no act or omission by the receiving party; (ii) is independently developed by the other party without use of the disclosing party's Confidential Information; (iii) is rightfully obtained from a third party without any obligation of confidentiality; or (iv) is already known by the receiving party without any obligation of confidentiality prior to obtaining the Confidential Information from the disclosing party. In addition, neither party shall be liable for disclosure of Confidential Information if made in response to a valid order of a court or authorized agency of government, provided that notice is promptly given to the disclosing party so that the disclosing party may seek a protective order and engage in other efforts to minimize the required disclosure. The parties shall cooperate fully in seeking such protective order and in engaging in such other efforts."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]