using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        IList<string> strList1 = new List<string>(){"One", "Two", "Three", "Four", "Five" };

        IList<string> strList2 = new List<string>(){"Four", "Five", "Six", "Seven", "Eight"};

        var result = strList1.Except(strList2);

        foreach(string str in result)

                Console.WriteLine(str);

    }

}