Problem: Given the question: Extract the answer to the question from the following context. Question: What type of severe weather only happens on occasion? Context: Oklahoma City has a very active severe weather season from March through June, especially during April and May. Being in the center of what is colloquially referred to as Tornado Alley, it is prone to especially frequent and severe tornadoes, as well as very severe hailstorms and occasional derechoes. Tornadoes have occurred in every month of the year and a secondary smaller peak also occurs during autumn, especially October. The Oklahoma City metropolitan area is one of the most tornado-prone major cities in the world, with about 150 tornadoes striking within the city limits since 1890. Since the time weather records have been kept, Oklahoma City has been struck by thirteen violent tornadoes, eleven F/EF4s and two F/EF5. On May 3, 1999 parts of southern Oklahoma City and nearby suburban communities suffered from one of the most powerful tornadoes on record, an F5 on the Fujita scale, with wind speeds estimated by radar at 318 mph (510 km/h). On May 20, 2013, far southwest Oklahoma City, along with Newcastle and Moore, was hit again by a EF5 tornado; it was 0.5 to 1.3 miles (0.80 to 2.09 km) wide and killed 23 people. Less than two weeks later, on May 31, another outbreak affected the Oklahoma City area, including an EF1 and an EF0 within the city and a tornado several miles west of the city that was 2.6 miles (4.2 km) in width, the widest tornado ever recorded.
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The answer is:
derechoes


Problem: Given the question: Extract the answer to the question from the following context. Question: what is been discussed? Context: Korean Presbyterian denominations are active in evangelism and many of its missionaries are being sent overseas, being the second biggest missionary sender in the world after the United States. GSM, the missionary body of the "Hapdong" General Assembly of Presbyterian Churches of Korea, is the single largest Presbyterian missionary organization in Korea. In addition there are many Korean-American Presbyterians in the United States, either with their own church sites or sharing space in pre-existing churches as is the case in Australia, New Zealand and even Muslim countries such as Saudi Arabia with Korean immigration.
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The answer is:
Korean Presbyterian denominations


Problem: Given the question: Extract the answer to the question from the following context. Question: Where do you run Windows 8 Pro and Windows RT? Context: Retail versions of Windows 8 are only able to install these apps through Windows Store—a namesake distribution platform which offers both apps, and listings for desktop programs certified for comparability with Windows 8. A method to sideload apps from outside Windows Store is available to devices running Windows 8 Enterprise and joined to a domain; Windows 8 Pro and Windows RT devices that are not part of a domain can also sideload apps, but only after special product keys are obtained through volume licensing.
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The answer is:
devices