[{'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: Password To access any services reserved exclusively for duly-registered users, such users will be provided with a personal password. The user may change it by accessing the navigation menu."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]