Complex sentence: A week later, Lucasfilm announced that J. J. Abrams would return to direct "Episode IX" and co-write it with Chris Terrio, with the co-writers stating that "Episode IX" will bring together all three trilogies, with elements from each.
Split into simpler sentences: A week later, Lucasfilm announced that J. J. Abrams would return to direct "Episode IX" and cowrite it with Chris Terrio. Abrams and Terrio stated that "Episode IX" will bring together all three trilogies, with elements from each.