In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.

Ex Input:
Consequences of the Black Death included a series of religious, social, and economic upheavals, which had profound effects on the course of European history. The Black Death was one of the most devastating pandemics in human history, peaking in Europe between 1347 and 1350 with 30% to 65% of the population killed. It reduced world population from an estimated 450 million to between 350 and 375 million. It took 80 and in some areas more than 150 years for Europe's population to recover.

Ex Output:
the impact of the black death on medieval society

Ex Input:
Thebe Neruda Kgositsile (born February 24, 1994), better known by his stage name Earl Sweatshirt, is an American rapper, record producer, and disc jockey from Los Angeles, California. He originally went by the moniker Sly Tendencies in 2008, but soon changed it when Tyler, The Creator invited him to join his hip hop collective Odd Future in late 2009. He gained recognition and critical praise for his debut mixtape Earl, released in March 2010. Following its release, his mother sent him to a boarding school in Samoa until his eighteenth birthday, and he was not able to produce new music for a year and a half.

Ex Output:
how old was earl sweatshirt when he made earl

Ex Input:
The American Revolutionary War (1775 -- 1783), also known as the American War of Independence, was a global war that began as a conflict between Great Britain and its Thirteen Colonies which declared independence as the United States of America.

Ex Output:
what years did the revolutionary war take place