[{'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: Keeping Your Account Secure. You are responsible for keeping your device and your WhatsApp account safe and secure, and you must notify us promptly of any unauthorized use or security breach of your account or our Services."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]