[{'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: To remove your profile so that others cannot view it, please contact our customer support team at contact@culturealley.com . We will retain in our files information you have requested to remove for certain circumstances, such as to resolve disputes, troubleshoot problems and enforce our terms and conditions. Further, such prior information is never completely removed from our databases due to technical and legal constraints, including stored 'back up' systems. Therefore, you should not expect that all of your personally identifiable information will be completely removed from our databases in response to your requests."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]