static void Main(string[] args)
{
Instructor john = new Instructor("John", "English");
Instructor mike = new Instructor("Mike", "Math");
Student jane = new Student("Jane", 0, john);
Student joe = new Student("Joe", 0, john);
Student melissa = new Student("Melissa", 0, mike);
Student matt = new Student("Matt", 0, mike);
john.SetStudentGrade(jane, 95);
john.SetStudentGrade(joe, 85);
mike.SetStudentGrade(melissa, 90);
mike.SetStudentGrade(matt, 92);
john.PrintInformation();
mike.PrintInformation();
jane.PrintStudentInformation();
joe.PrintStudentInformation();
melissa.PrintStudentInformation();
matt.PrintStudentInformation();
System.Console.WriteLine("Press any key to continue .... ");
System.Console.ReadKey();
}