Once breakfast was over, the fifth- and seventh-years milled around in the Entrance Hall while the other students went off to lessons; then, at half past nine, they were called forwards class by class to re-enter the Great Hall, which had been rearranged completely; the four house tables had been removed and replaced instead with many tables for one, all facing the staff-table end of the Hall where Professor McGonagall stood facing them. When they were all seated and quiet, she said, "You may begin," and turned over an enormous hour-glass on the desk beside her, on which there were also spare quills, ink bottles and rolls of parchment.