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

Example Input: And Another Thing... by Eoin Colfer, published in 2009, eight years after the death of the author of the first five, is described as the sixth in which trilogy of books?
Example Output: and another thing...

Example Input: Who played Captain Jean-Luc Picard in the television series 'Star-Trek: The Next Generation'?
Example Output: jean-luc picard

Example Input: What is the highest mountain in Austria?
Example Output:
austria