Question: Turner Broadcasting System, Inc., is an American media conglomerate that is a division of Time Warner and manages the collection of cable television networks and properties initiated or acquired by Ted Turner, the original home of Turner's WTBS superstation (now separated into its TBS cable network and Peachtree TV), which today houses the headquarters of what and Williams Street Productions?
Sentence (from "CNN"): Upon its launch, CNN was the first television channel to provide 24-hour news coverage, and was the first all-news television channel in the United States.
Relevant evidence: No