[{'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: oppose the use thereof ("ACCO Rights"). In this manner, you may exercise your ACCO rights by e-mail to info@socialpoint.com or by sending a letter to the following address: C/ de la Llacuna, nº 166, Planta, 12 (08018), Barcelona (Spain). In all instances, and to ensure your security, you must verify your identity with a photocopy of your current identity document or passport to exercise your ACCO rights.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]