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

Example Input: Who is the only British Prime Minister to serve under 3 monarchs?
Example Output: prime minister of the united kingdom

Example Input: Richard Addinsell's most famous piece of music was used in the 1941 film 'Dangerous Moonlight', what is its title?
Example Output: dangerous moonlight

Example Input: Who presented the childrens TV show 'Animal Magic' from 1962 to 1983?
Example Output:
animal magic