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

Ex Input:
Where is the Barbary Coast?

Ex Output:
barbary coast


Ex Input:
Which country on the West African coast lies between The Democratic Republic of the Congo and Namibia?

Ex Output:
democratic republic of the congo


Ex Input:
What specifically is the alcoholic ingredient of the drink Cuba Libre?

Ex Output:

cuba libre