static void Main(string[] args)
{
//Instructors
Instructor John = new Instructor("John", "English");
Instructor Mike = new Instructor("Mike", "Math");
//Jane
Student Jane = new Student("Jane", John);
John.SetStudentGrade(Jane, 95);
Jane.PrintStudentInfo();
//Joe
Student Joe = new Student("Joe", John);
John.SetStudentGrade(Joe, 85);
Joe.PrintStudentInfo();
//Mellisa
Student Melissa = new Student("Melissa", Mike);
Mike.SetStudentGrade(Melissa, 90);
Mike.PrintStudentInfo();
//Matt
Student Matt = new Student("Matt", Mike);
Mike.SetStudentGrade(Matt, 92);
Matt.PrintStudentInfo();
}