[{'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: Chapter Four: Service Content 4.1 The details of Baidu, Inc. network service will be provided by Baidu depending on the nature of the situation."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]