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 "Turner Broadcasting System"): It now operates as a semi-autonomous unit of Time Warner.
Relevant evidence: No