[{'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: 4. Procedure and Method for Destruction of Personal Information On principle, the Company destroys, without delay, any personal information when its purpose and use has been accomplished or when its period of preservation or use has expired. However, according to the Act on Promotion of Information and Communications Network Utilzation and Data Protection, etc., the personal information of members who have no record of usage for a year are safely retained and separated from currently using members' information."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]