6.Reverse words in sentence

gistfile1.txt

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Numerics;
using System.Globalization;
using System.Text.RegularExpressions;
using System.Threading;

class Program
{
    static void Main(string[] args)
    {
        string text = Console.ReadLine();
        char[] separators = { '.', ',', ':', ';', '=', '(', ')', '&', '[', ']', '\"', '\'', '\\', '/', '!', '?', ' ' };
        List<string> list = text.Split(separators, StringSplitOptions.RemoveEmptyEntries).ToList();
        list.Reverse();
        List<string> tempList = new List<string>(list);
        tempList.Sort((e1, e2) => e2.Length.CompareTo(e1.Length));
        List<string> sep = text.Split(tempList.ToArray(), StringSplitOptions.RemoveEmptyEntries).ToList();
        for (int i = 0; i < list.Count; i++)
        {
            Console.Write(list[i] + sep[i]);
        }
        Console.WriteLine();
    }
}