Fehler bei if (Csharp)

wort:
Console.WriteLine("unwichtig");  
                            Console.WriteLine("");  
                            var path1 = @"C:\Users\ich\Documents\Visual Studio 2015\Projects\afb\afb\aussage1\aussage" + nummer + ".txt";  
                            StreamReader reader1 = new StreamReader(path1);
                            var leser = reader1.ReadToEnd();
                            reader1.Close();
                            Console.WriteLine(leser);
                            antwort = Console.ReadLine();
                            var path3 = @"C:\Users\ich\Documents\Visual Studio 2015\Projects\afb\afb\aussage2\2aussage" + nummer + ".txt";  
                            StreamReader reader2 = new StreamReader(path3);
                            var leser2 = reader2.ReadToEnd();
                            reader2.Close();
                            if (antwort == leser2)
                            {
                                Console.WriteLine("richtig!");  
                                Thread.Sleep(500);
                                Console.Clear();
                                name1 = name1 + 1;
                                goto wort;
                            }
                            else
                            {
                                Console.WriteLine("Falsche Antwort. Richtig wäre " + leser2 + "gewesen.");  
                                Thread.Sleep(500);
                                name1 = name1 + 1;
                                fehler = fehler + 1;
                                goto wort;
                             }