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

Example Input: Which film director won the Oscar for Best Picture for the film 12 Years a Slave in 2013?
Example Output: 12 years a slave

Example Input: Which of the American Idol judges has been there for all 10 seasons?
Example Output: american idol

Example Input: In the film 'Ali' who played the leading role?
Example Output:
ali