[{'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: From time to time, we may use your personal information to send important notices, such as communications about purchases and changes to our terms, conditions, and policies. Because this information is important to your interaction with NWG, you may not opt out of receiving these communications."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]