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

Example Input: On November 22, 1986, which boxer became the youngest WBC Heavyweight champion, at age 20 years, 4 months, when he scored a TKO over Trevor Berbick in the second round?
Example Output: boxing

Example Input: 'Bring It All Back' was the debut single for which group in 1999?
Example Output: bring it all back

Example Input: Who composed 'Belshazzar's Feast' cantata?
Example Output:
belshazzar's feast