Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Gymnasts sprint down a runway, which is a maximum of 25 meters in length, before hurdling onto a spring board. The gymnast is allowed to choose where they start on the runway. The body position is maintained while "punching" (blocking using only a shoulder movement) the vaulting platform. The gymnast then rotates to a standing position. In advanced gymnastics, multiple twists and somersaults may be added before landing. Successful vaults depend on the speed of the run, the length of the hurdle, the power the gymnast generates from the legs and shoulder girdle, the kinesthetic awareness in the air, and the speed of rotation in the case of more difficult and complex vaults.
Who gets to chose where a gymnast starts to run on the runway?
A: The gymnast

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The campus is home to several museums containing exhibits from many different fields of study. BYU's Museum of Art, for example, is one of the largest and most attended art museums in the Mountain West. This Museum aids in academic pursuits of students at BYU via research and study of the artworks in its collection. The Museum is also open to the general public and provides educational programming. The Museum of Peoples and Cultures is a museum of archaeology and ethnology. It focuses on native cultures and artifacts of the Great Basin, American Southwest, Mesoamerica, Peru, and Polynesia. Home to more than 40,000 artifacts and 50,000 photographs, it documents BYU's archaeological research. The BYU Museum of Paleontology was built in 1976 to display the many fossils found by BYU's Dr. James A. Jensen. It holds many artifacts from the Jurassic Period (210-140 million years ago), and is one of the top five collections in the world of fossils from that time period. It has been featured in magazines, newspapers, and on television internationally. The museum receives about 25,000 visitors every year. The Monte L. Bean Life Science Museum was formed in 1978. It features several forms of plant and animal life on display and available for research by students and scholars.
What was built in 1967?
A: unanswerable

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The United States Air Force (USAF) is the aerial warfare service branch of the United States Armed Forces and one of the seven American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on 18 September 1947 under the National Security Act of 1947. It is the most recent branch of the U.S. military to be formed, and is the largest and one of the world's most technologically advanced air forces. The USAF articulates its core functions as Nuclear Deterrence Operations, Special Operations, Air Superiority, Global Integrated ISR, Space Superiority, Command and Control, Cyberspace Superiority, Personnel Recovery, Global Precision Attack, Building Partnerships, Rapid Global Mobility and Agile Combat Support.
What act formed the USAF?
A: National Security Act of 1947

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Manifold vacuum can be used to drive accessories on automobiles. The best-known application is the vacuum servo, used to provide power assistance for the brakes. Obsolete applications include vacuum-driven windscreen wipers and Autovac fuel pumps. Some aircraft instruments (Attitude Indicator (AI) and the Heading Indicator (HI)) are typically vacuum-powered, as protection against loss of all (electrically powered) instruments, since early aircraft often did not have electrical systems, and since there are two readily available sources of vacuum on a moving aircraftthe engine and an external venturi. Vacuum induction melting uses electromagnetic induction within a vacuum.
What can electrical systems be used to drive on automobiles?
A:
unanswerable