[{'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: We retain the information we collect as described in this Privacy Policy for as long as necessary to fulfill our business and/or operational purposes or comply with a legal request. We may also choose to anonymize parts of the information we collect so that it can no longer be identifiable or attributable to any person if we want to keep it for longer periods of time."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]