[{'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: In addition, please note that if you use ad blocking software on your device, this may interfere with certain features and cause a disruption of service."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]