[{'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: 6.3.4. In case of personal data (other user information) removal from the User's personal page or removal of the User's personal page from the Site, the User's information copied by other Users or stored on other Users' pages is preserved."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]