Complex sentence: Lauren Zizes (Ashley Fink), Puck's most recent girlfriend and one of Quinn's many rivals for prom queen, surprisingly discovers that before transferring to McKinley High, Quinn was known by her first name, Lucy.
Split into simpler sentences: Lauren Zizes (Ashley Fink), Puck's most recent girlfriend and one of Quinn's many rivals for prom queen. Surprisingly, Lauren discovers that before transferring to McKinley High, Quinn was known by her first name, Lucy.