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

Example Input: The Cato Street Conspiracy was a plot to kill which British Prime Minister?
Example Output: prime minister of the united kingdom

Example Input: With which song did Swedish pop group Abba win the 1974 Eurovision Song Contest?
Example Output: abba

Example Input: Comic and presenter Adam Hills comes from which country?
Example Output:
adam hills