[{'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: ii. LINE ID [OPTIONAL] In order to make it easier for your friends to find you with in the Services, you may choose to assign a LINE identification name (a "LINE ID") to your Account, and allow your friends to find you through your LINE ID. Alternatively, you may choose not to allow other LINE users to contact you using your LINE ID. Please note that your LINE ID is not visible to other LINE users without your consent, and your LINE ID may be a pseudonym - it does not have to be your real name.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]