"Alright class, what's the answer to question five." Il Dottore asked, his voice ringing out through the classroom as he idly walked down the isles of desks, looking for at least one volunteer. However nobody answered.

"Well in this case the answer is.." He began to speak before falling short and trying to recall what the answer was. Looking down at his desk, he couldn't find the paper with the answers on it. "... So uh.. I have managed to lose my notes."