[{'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: ... my contacts? QR Codes and Data Matrix codes can encode contact information. Upon scanning such a code, you will be prompted to add the contact information to your contacts list. In addition, Barcode Scanner can encode a contact as a QR Code and present it on-screen, so that a friend can point their phone at your screen to transfer that contact. This is why the app requests permission to write and read contacts. They are not used in any other way."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_Address_Book_1stParty.'}]