[{'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: If you encounter any issues with changing your preferences, please send an email to ZDLegal1@ziffdavis.com and include "Privacy Policy" in the subject line. Please allow up to ten business days for any changes to be implemented throughout our systems.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]