sentences:  O-week is organised by the Otago University Students' Association and involves competitions such as 'Fresher of the Year' whereby several students volunteer to carry out a series of tasks throughout the week before being voted to win.Other competitions include that of different faculties facing off with each other.The OUSA also organises events each night including various concerts, a comedy night, hypnotist plus bigger events at Forsyth Barr Stadium.