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

Example Input: Which sprinter lit the Olympic flame at the 2000 Summer Olympic Games in Australia?
Example Output: 2000 summer olympics

Example Input: The Greeks called her Athena, what was the Roman name for this Goddess?
Example Output: athena

Example Input: Who wrote tyhe Barchester novels ?
Example Output:
chronicles of barsetshire