[{'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: 1.4 Baidu may update the Baidu Member Service Agreement and the service agreements and announcements for each individual service at any time without special notice. Please pay attention to and comply with the relevant applicable provisions when you enjoy certain services."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]