[{'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: For this purpose, you must provide the following documents: A signed request; A copy of your passport or national ID, so that we can verify your identity; A signed authority from any third party whose data you request on their behalf."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]