[{'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: 2.3 Baidu will not disclose or provide the user's registration information to any third party unless: a. The user's prior authorization has been obtained; b. The products or service requested cannot be provided unless the personal information is disclosed;"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]