[{'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: Google Google's advertising requirements can be summed up by Google's Advertising Principles. They are put in place to provide a positive experience for users. https://support.google.com/adwordspolicy/answer/1316548?hl=en"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]