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

Input: Consider Input: Albion is the oldest known name for which nation?

Output: albion

Input: Consider Input: What is the main river of Brazil?

Output: brazil

Input: Consider Input: What director created the popular 1980's films The Breakfast Club, Sixteen Candles, and Ferris Bueller's Day Off?
Output: sixteen candles