[{'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: 19 For more information about how you may control the collection and/or use of information for advertising and analytics purposes, please see "Your Choices."'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]