Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Example Input: Which US president was in office at the start of the Korean War?
Example Output: truman

Example Input: What is the correct title of a 2010 Ludacris hit?
Example Output: how low

Example Input: Igor Sikorsky developed which means of transport?
Example Output:
helicopter