[{'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 learn more about some of these ad networks' practices, or to opt out of third party targeted advertising, you can visit www.networkadvertising.org, http://www.aboutads.info/choices/, http://youradchoices.ca/, or http://www.youronlinechoices.eu. Note that opting out does not mean you won't see ads; it just means that the advertising you see may be less relevant to your interests."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]