Input (grade 13): The Monaco Grand Prix is widely considered to be one of the most important and prestigious automobile races in the world alongside the Indianapolis 500-Mile Race and 24 Hours of Le Mans.
Output (grade 11): The Monaco Grand Prix (Grand Prix de Monaco) is a Formula One race held each year on the Circuit de Monaco. Run since 1929, it is widely considered to be one of the most important and prestigious automobile races in the world alongside the Indianapolis 500 and the 24 Hours of Le Mans.