[{'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: This feature was introduced on November 19, 2014. Since the default self-destruct setting for Telegram accounts is 6 months, accounts that have last been active before November 19, 2014 self-destructed in May, 2015."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]