The software worked remarkably well in this instance because the system was well constrained, and the students weren't on the lookout for it. If they do start q

The software worked remarkably well in this instance because the system was well constrained, and the students weren't on the lookout for it. If they do start quizzing their new unseen TA (Dr Colin V Olutionalnet) on random trivia it could presumably deflect the query or have a few canards pre-programmed.