static string RaceCars(Car a, Car b) { Console.WriteLine($"Line 1:{a.Driver.Name} driving {a.Model}"); Console.WriteLine($"Line 2:{b.Driver.Name} driving {b.Model}"); if (a.CalculateSpeed() < b.CalculateSpeed()) { return($"{b.Model} with driver {b.Driver.Name} is the faster car"); } else if (a.CalculateSpeed() > b.CalculateSpeed()) { return($"{a.Model} with driver {a.Driver.Name} is the faster car"); } else { return($"The cars are equally fast"); } }