[{'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: iii. Contact Phone Numbers in Your Address Book [OPTIONAL] To make it easier to find your friends using Services, you can enable the "Auto Add Friends" feature in the LINE App. If you choose to enable the feature, we will collect the phone numbers (and e-mail addresses if issued by Japanese telecom companies) in your mobile device\'s address book, and enable you to add friends in the Services who have consented to being found via their phone number or e-mail address (the "Account Matching Service"). Once you have added a friend in the Services, you can call them or send them messages over the Services. We will collect information from only the phone number (and e-mail addresses if issued by Japanese telecom companies) fields in your mobile device\'s address book; we do not collect contact names or any information from other data fields. You can at any time change your mind and disable the Account Matching Service by turning off this feature under "Settings" -> "Friends". If you do so, the information you provided viathis feature will be deleted reasonably promptly. As noted above, if you choose to provide us with your phone number, other users may be able to find you using the "Auto Add Friends" feature.'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_Address_Book_1stParty.'}]