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

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

Output: the dark tower


Input: Consider Input: Which country has 6 time zones called Pacific, Mountain, Central, Eastern, Atlantic and Newfoundland?

Output: newfoundland and labrador


Input: Consider Input: How is the cocktail consisting of vodka, cranberry juice and grapefruit juice known?


Output: cranberry juice