Articles 2.0

using System;
using System.Linq;
using System.Collections.Generic;

namespace _3._Articles_2._0
{
    class Program
    {
        static void Main(string[] args)
        {
            List<Article> articles = new List<Article>();
            int count = int.Parse(Console.ReadLine());

            for (int i = 0; i < count; i++)
            {
                string[] input = Console.ReadLine().Split(", ");
                string title = input[0];
                string content = input[1];
                string author = input[2];

                Article article = new Article(title, content, author);

                articles.Add(article);
            }
            string data = Console.ReadLine();

            if (data == "title")
            {
                articles = articles.OrderBy(x => x.Title).ToList();
                foreach (var article in articles)
                {
                    Console.WriteLine($"{article.Title} - {article.Content}: {article.Author}");
                }
            }
            else if (data == "content")
            {
                articles = articles.OrderBy(x => x.Content).ToList();
                foreach (var article in articles)
                {
                    Console.WriteLine($"{article.Title} - {article.Content}: {article.Author}");
                }
            }
            else if (data == "author")
            {
                articles = articles.OrderBy(x => x.Author).ToList();
                foreach (var article in articles)
                {
                    Console.WriteLine($"{article.Title} - {article.Content}: {article.Author}");
                }
            }
        }
        class Article
        {
            public string Title { get; set; }
            public string Content { get; set; }
            public string Author { get; set; }

            public Article(string title, string content, string author)
            {
                this.Title = title;
                this.Content = content;
                this.Author = author;
            }
        }
    }
}