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 of North America's Great Lakes has the same name as a province of Canada?

Ex Output:
canada

Ex Input:
On which planet did NASA's Curiosity rover complete its first year, equal to 687 Earth days, in June 2014?

Ex Output:
curiosity