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

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

Example Input: Which pop group consisted of Huw Bunford, Clan Caren, Dafydd Leuan, Guto Price and Gryff Rhuys?
Example Output: huw bunford

Example Input: Mike Dee, Ad-Roc and MCA were members of which band?
Example Output:
ad-rock