using System;

public class Program

{

    public static void Main()

    {

        Random rand = new Random();     string[] choices1 = new string[] {

            "one",

            "two",

            "three"

        };

        int numChoices = choices1.Length;

        int selectedIndex = rand.Next(0, numChoices - 1);

        Console.WriteLine(choices1[selectedIndex]);

    }

}