[{'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: About ads:https://m.facebook.com/ads/ad_choices Please send notice to Baidu if you find any violation of the Agreement and/or any other individual service's Terms of Service. You may contact Baidu at the following address: Product Affairs Group, Baidu, Inc."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]