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

Example Input: In what story of Arthur C. Clarke do Tibetan monks seek to list all the names of God as they believe He will bring the Universe to an end once this is done?
Example Output: arthur c. clarke

Example Input: In May 1940, who became British Prime Minister after the resignation of Neville Chamberlain?
Example Output: prime minister of the united kingdom

Example Input: What series of 29 British films made between 1958 and 1978 were made by a collection of actors including Sid James, Kenneth Williams, Charles Hawtrey, and Kenneth Connor?
Example Output:
kenneth williams