using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Dictionary<int, List<string>> dict1 = GetData();

//      Dictionary<string, List<int>> dict2 = ???????

    }

    public static Dictionary<int, List<string>> GetData()

    {       

        var values = new List<string>() { "apple", "pear", "banana", "orange", "kiwi" };

        var data = new Dictionary<int, List<string>>()

        {

            { 1, values.ToList() },

            { 2, new List<string>() { values[2] }},

            { 3, new List<string>() { values[2], values[4] }},

            { 4, new List<string>() { values[3], values[1] }},

            { 5, new List<string>() { values[0] }},                             

        };

        return data;

    }

}