Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Ex Input:
The strongly featured character Alyson/Alys in Chaucer's Canterbury Tales is better known as?

Ex Output:
the canterbury tales


Ex Input:
Which actress played Arwen in the trilogy of films?

Ex Output:
arwen


Ex Input:
Which heavy metal band did guitarist/vocalist Dave Mustaine found in 1983 after being expelled from 'Metallica'?

Ex Output:

metallica