Клас животно : Switch-case

using System;

namespace tESt
{
    class Program
    {
        static void Main(string[] args)
        {


            var kindAnimal = Console.ReadLine().ToLower();

            switch (kindAnimal)
            {
                case "dog": Console.WriteLine("mammal"); break;

                case "crocodile": Console.WriteLine("reptile"); break;

                case "tortoise": Console.WriteLine("reptile");break;

                case "snake":Console.WriteLine("reptile"); break;

                default:Console.WriteLine("unknown"); break;
            }

        }
    }
}