Input: Read this: However, early farmers were also adversely affected in times of famine, such as may be caused by drought or pests. In instances where agriculture had become the predominant way of life, the sensitivity to these shortages could be particularly acute, affecting agrarian populations to an extent that otherwise may not have been routinely experienced by prior hunter-gatherer communities. Nevertheless, agrarian communities generally proved successful, and their growth and the expansion of territory under cultivation continued.
Question: What were the causes of cultivation in early farm towns?

Output: unanswerable

Input: Read this: Most commercial paper sold in North America is cut to standard paper sizes based on customary units and is defined by the length and width of a sheet of paper.
Question: Commercial paper is commonly defined by what?

Output: length and width

Input: Read this: In June 1989, Nintendo of America's vice president of marketing Peter Main, said that the Famicom was present in 37% of Japan's households. By 1990, 30% of American households owned the NES, compared to 23% for all personal computers. By 1990, the NES had outsold all previously released consoles worldwide.[better source needed] The slogan for this brand was It can't be beaten. In Europe and South America, however, the NES was outsold by Sega's Master System, while the Nintendo Entertainment System was not available in the Soviet Union.
Question: What outsold the NES in Europe and South Africa?

Output: unanswerable

Input: Read this: As of 2014, the wind industry in the USA is able to produce more power at lower cost by using taller wind turbines with longer blades, capturing the faster winds at higher elevations. This has opened up new opportunities and in Indiana, Michigan, and Ohio, the price of power from wind turbines built 300 feet to 400 feet above the ground can now compete with conventional fossil fuels like coal. Prices have fallen to about 4 cents per kilowatt-hour in some cases and utilities have been increasing the amount of wind energy in their portfolio, saying it is their cheapest option.
Question: Prices have grown as high as what price?

Output:
unanswerable