05. Foreign Languages

Write a program, which prints the language, that a given country speaks. You can receive only the following combinations: English is spoken in England and USA; Spanish is spoken in Spain, Argentina and Mexico; for the others, we should print "unknown".
using System;

namespace _05._Foreign_Languages
{
    class ForeignnLanguages
    {
        static void Main(string[] args)
        {
            string country = Console.ReadLine();

            switch (country)
            {
                case "England":
                case "USA":
                    Console.WriteLine("English");
                    break;
                case "Spain":
                case "Argentina":
                case "Mexico":
                    Console.WriteLine("Spanish");
                    break;

                default:
                    Console.WriteLine("unknown");
                    break;
            }
        }
    }
}