Testing Lambda

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

namespace _01.Lambada_Expressions
{
    class LambdaExpressions
    {
        static void Main(string[] args)
        {
            var line = Console.ReadLine()
                .Split(new[] { ' ', '=', '>', '.' }, StringSplitOptions.RemoveEmptyEntries);

            Dictionary<string, Dictionary<List<string>, string>> registry =
                new Dictionary<string, Dictionary<List<string>, string>>();

            Dictionary<string, Dictionary<List<string>, string>> orderedRegistry =
                new Dictionary<string, Dictionary<List<string>, string>>();

            var selector = "";
            var selectorObject = new List<string>();
            var property = "";
            var danceCounter = 0;

            while (line[0] != "lambada")
            {
                if (line[0] == "dance")
                {
                    danceCounter++;
                }
                else
                {
                    selector = line[0];
                    selectorObject.Add(line[1]);
                    property = line[2];

                    if (!registry.ContainsKey(selector))
                    {
                        registry.Add(selector, new Dictionary<List<string>, string>());
                    }
                    registry[selector][selectorObject] = property;
                }

                line = Console.ReadLine()
                        .Split(new[] { ' ', '=', '>', '.' }, StringSplitOptions.RemoveEmptyEntries);
            }
            foreach (var item in registry.Values)
            {
                Console.WriteLine($"{item.Keys} => {String.Join(" ", item.Values)}" );
            }
            Console.WriteLine(danceCounter);
        }
    }
}