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

Input: Consider Input: Which country music star, writer of the song Your Cheatin' Heart, died on New Year's Day 1953?

Output: country music


Input: Consider Input: Which boxer was nicknames `The Brown Bomber`?

Output: boxing


Input: Consider Input: Who was the first person to be officially called British Prime Minister, 5 days after he took office in 1905?


Output: prime minister of the united kingdom