TASK DEFINITION: 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.
PROBLEM: Keflavik International Airport is in which country?

SOLUTION: iceland

PROBLEM: Who directed the film `Gladiator`?

SOLUTION: ridley scott

PROBLEM: What was invented by Elias Howe in 1846 and improved by Isaac Merritt Singer?

SOLUTION:
sewing machine