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: In which city were the 2002 Winter Olympic Games held?
Example Output: 2002 winter olympics

Example Input: Patrick Duffy played which character in 'Dallas'?
Example Output:
patrick duffy