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

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

Ex Output:
canada


Ex Input:
Who has written a series of novels, entitled The Dark Tower, of which the first, in 1982, was entitled, The Gunslinger?

Ex Output:
the dark tower


Ex Input:
The dish 'Rijsttafel' (Pron. rice-taffel), that takes its name from the Dutch for 'rice-table', originated in which country?

Ex Output:

dutch