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

Example Input: Which film actor (1895-1926) is known for his films The Four Horsemen, The Sheik and Blood And Sand?
Example Output: blood and sand

Example Input: On which island is Nassau, the capital of the Bahamas?
Example Output: nassau

Example Input: What species of rodent has the Latin name cavia porcellus?
Example Output:
cavia