Complex sentence: Twentieth Television (20th Television) is an American television syndication company & the syndication arm of 20th Century Fox Television, the television production arm of 20th Century Fox Film Corporation, a division of the Fox Entertainment Group, part of 21st Century Fox.
Split into simpler sentences: Twentieth Television (20th Television) is an American television syndication company. It is the syndication arm of 20th Century Fox Television, the television production arm of 20th Century Fox Film Corporation, a division of the Fox Entertainment Group, part of 21st Century Fox.