[{'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: e) Financial information: If you purchase a product, service, software or customer support directly from BlackBerry or our service providers, BlackBerry may process credit card or other payment information and use it to facilitate billing and credit services and conduct credit checks, as applicable. Similarly, BlackBerry may process payment or other financial information when you use Near Field Communications functionality on your BlackBerry device."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]