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

Example Input: In 1959, for which film did David Niven win his only Academy Award?
Example Output: david niven

Example Input: To which country do the Chatham Islands belong?
Example Output: chatham islands

Example Input: What is the offficial language of Australia?
Example Output:
australia