[{'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: Questions and complaints Metro is committed to providing its customers with a fair and responsible system for the handling and resolution of Privacy related complaints. If you have any questions about this Policy or believe that we have at any time failed to keep one of our commitments to you to handle your personal information in the manner required by the Privacy Laws, then we ask that you contact us immediately in writing using the contact details provided below."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]