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: In which US state would you find the cities of Chesapeake, Roanoke and Fredericksburg?
Example Output: fredericksburg

Example Input: What is the name of the US electric car manufacturer, founded in 2003, whose cars include the Model S and the Model X?
Example Output:
tesla model s