[{'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: We may also use personal information for internal purposes such as auditing, data analysis, and research to improve NWG's products, services, and customer communications"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]