[{'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: When users click on the Spam and Not Spam buttons, information is sent to Yahoo's anti-spam team or other spam compliance service providers for review, and aspects of these messages may be shared with the sender to reduce spam. See our spam FAQ for more information."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]