Dictionary 2

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

namespace solutions
{
    class Program
    {
        public static void Main()
        {
            var input = Console.ReadLine().Split(" | ");
            var someWords = Console.ReadLine().Split(" | ");
            var line = Console.ReadLine();

            var result = new SortedDictionary<string, List<string>>();

            foreach (var item in input)
            {
                var wordAndDefinition = item.Split(": ");
                var word = wordAndDefinition[0];
                var definition = wordAndDefinition[1];

                if (!result.ContainsKey(word))
                {
                    result.Add(word, new List<string>());
                    result[word].Add(definition);
                }
                else
                {
                    if (!result[word].Contains(definition))
                    {
                        result[word].Add(definition);
                    }
                }
            }

            foreach (var word in someWords)
            {
                if (result.ContainsKey(word))
                {
                    Console.WriteLine($"{word}");

                    foreach (var value in result[word].OrderByDescending(v => v.Count().ToString()))
                    {
                        Console.WriteLine($" -{value}");
                    }
                }
            }

            switch (line)
            {
                case "End": return;
                case "List":
                    foreach (var item in result)
                    {
                        Console.Write($"{item.Key} ");
                    }
                    Console.WriteLine();
                    break;
            }
        }
    }
}