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 war was the Battle of Bunker Hill?
Example Output: battle of bunker hill

Example Input: Manchild and Buffalo Stance were hits for which singer?
Example Output: manchild

Example Input: Who is the only dwarf in the Disney tale of Snow White who wears spectacles?
Example Output:
dwarf