[{'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: Information about the Cable Act To the extent that Section 631 of the Communications Act of 1934, as amended (the "Cable Act") applies to services you purchase, it entitles you to know about the personally identifiable information a cable service provider collects. This includes the nature of the use and disclosure of this information and to whom it may be disclosed, how long personally identifiable information is maintained, and how subscribers may access it. In addition, the Cable Act imposes limits on the collection and disclosure of personal information and gives subscribers the ability to enforce their privacy rights. (Personally identifiable information does not include aggregate data that does not identify a particular person).'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]