public static void Main(string[] args) { Engineering student1 = new Engineering("Alexander", "Alnoumeh", "19Te"); Console.WriteLine(student1._firstName); // student1.PrintInfo(); Wont work cuase it is private student1.ListJobs(); student1.Talk(); Console.WriteLine(); Design student2 = new Design("Saga", "Lundberg", "19Te"); student2.ListJobs(); student2.Talk(); Console.WriteLine(); Student student3 = new Student("TestName", "testName", "123asd"); student3.school = "LBS"; student3.Talk(); Console.ReadKey(); }