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

Example Input: Trujillo and Chiclayo are cities in which country in the Americas?
Example Output: chiclayo

Example Input: Who wrote and recorded the original version of the song Blue Suede Shoes which was a hit single for Elvis Presley in 1955?
Example Output: blue suede shoes

Example Input: Which film actress was born in Germany in 1904, went to America after appearing in the film Blue Angel, and became an American citizen in 1937?
Example Output:
the blue angel