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

Example Input: What city is closest to Copacabana beach?
Example Output: copacabana, rio de janeiro

Example Input: The song Don't Rain On My Parade features in which musical?
Example Output: don't rain on my parade

Example Input: Which American country music singer-songwriter, born in 1934, won two Grammy Awards of 2005, (Best Country Album and Best Country Collaboration with Vocals) for her album Van Lear Rose, which was produced by Jack White of the White Stripes?
Example Output:
van lear rose