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

Example Input: Which country on the West African coast lies between The Democratic Republic of the Congo and Namibia?
Example Output: democratic republic of the congo

Example Input: Grace Anna Goodhue was the wife of which US President?
Example Output: grace coolidge

Example Input: Who is (usually) pursued by Blinky, Inky, Pinky and Clyde?
Example Output:
pinky