[{'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: If you return, sell, discard, or transfer your device or other BlackBerry product to another person or entity (such as providing your device to BlackBerry or another entity for repair, refurbishment or replacement), you should ensure that the device and any associated accessories and peripherals are removed or securely wiped of any personal information or other sensitive data they might contain (e.g. SIM cards, microSD cards). You should also disassociate your device from all email accounts and other data services so that email and data are no longer directed to the device (e.g. push services, emails delivered through the BlackBerry Internet Service, remote backup). Otherwise, your personal information may be available to a subsequent user of the device, and you may incur subscription and network data charges. You may learn more about how to take steps to protect yourself through the Options or Settings menu on your device, searching support articles online at www.blackberry.com, or by contacting your airtime service provider."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]