[{'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: 4.2 Unless otherwise expressly provided in this Agreement, any new product(s), new function(s) and/or new service(s) provided by Baidu shall be subject to this Agreement."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]