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

Example Input: In 1951, which European country saw the abdication of King Leopold lll in favour of his son Baudouin?
Example Output: baudouin of belgium

Example Input: In book and film, which vessel was commanded by Charlie Allnut?
Example Output: charlie allnut

Example Input: The first two speakers in which Shakespeare play are a shipmaster and a boatswain?
Example Output:
william shakespeare