using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<string> FirstArrayToLookup = new List<string>();

        List<string> SecondArrayToLookup = new List<string>();

        List<string> ThirdArrayToLookup = new List<string>();

        FirstArrayToLookup.Add("FirstArray1");

        FirstArrayToLookup.Add("FirstArray2");

        SecondArrayToLookup.Add("SecondArray1");

        ThirdArrayToLookup.Add("ThirdArray1");

        ThirdArrayToLookup.Add("ThirdArray2");

        ThirdArrayToLookup.Add("ThirdArray3");

        string[] FirstStringContains = { "Array1", "Array2" };

        string[] SecondStringContains = { "Array1" };

        string[] ThirdStringContains = { "Array1", "Array2", "Array3" };

        if (FirstArrayToLookup.All(x => FirstStringContains.All(y => x.Contains(y))))

            Console.WriteLine("First Array to Lookup");

        if (SecondArrayToLookup.All(x => SecondStringContains.All(y => x.Contains(y))))

            Console.WriteLine("Second Array to Lookup");

        if (ThirdArrayToLookup.All(x => ThirdStringContains.All(y => x.Contains(y))))

            Console.WriteLine("Third Array to Lookup");

    }

}