Input (grade 13): The GP2 Series, GP2 for short, is a form of open wheel motor racing introduced in 2005 following the discontinuation of the long-term Formula One feeder series, Formula 3000.
Output (grade 5): The GP2 Series, GP2 for short, is a form of open wheel motor racing. GP2 was started in 2005 after the Formula 3000 was stopped.