[{'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: V. Access to, review and update of personal information You may review or change Your personal information, however, for the sake of security, You may only do so after you log in. In case of any changes to Your personal information, You shall timely log in toYour account for an update."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]