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

Input: Consider Input: Who was Prime Minister of Australia at the outbreak of World War I?

Output: australia

Input: Consider Input: Which former 'Eastenders' actor and Labour activist was elected to be one of the West Midlands representatives in the European parliamentary elections of 1999?

Output: eastenders

Input: Consider Input: What famed documentarian, a staple of PBS, has produced films on The Civil War, Baseball, Jazz, World War II, and National Parks?
Output: jazz