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

Input: Consider Input: What is the largest city in Bavaria?

Output: bavaria


Input: Consider Input: Which horse won the 2009 Epsom Derby?

Output: 2009 epsom derby


Input: Consider Input: What Christian festival commemorates the coming of the Three Wise Men to Bethlehem?


Output: christianity