Problem: Elevator:

Inspection service is designed to provide access to the hoistway and car top for inspection and maintenance purposes by qualified elevator mechanics. It is first activated by a key switch on the car operating panel usually labeled 'Inspection', 'Car Top', 'Access Enable' or 'HWENAB'. When this switch is activated the elevator will come to a stop if moving, car calls will be canceled (and the buttons disabled), and hall calls will be assigned to other elevator cars in the group (or canceled in a single elevator configuration). The elevator can now only be moved by the corresponding 'Access' key switches, usually located at the highest (to access the top of the car) and lowest (to access the elevator pit) landings. The access key switches will allow the car to move at reduced inspection speed with the hoistway door open. This speed can range from anywhere up to 60% of normal operating speed on most controllers, and is usually defined by local safety codes.

Once activatated, what is the only way to deactivate it?
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A: The elevator can now only be moved by the corresponding 'Access' key switches

Problem: BeiDou Navigation Satellite System:

The original idea of a Chinese satellite navigation system was conceived by Chen Fangyun and his colleagues in the 1980s. According to the China National Space Administration, the development of the system would be carried out in three steps:

What idea did Chen Fangyun come up with in 1924?
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A: unanswerable

Problem: PlayStation 3:

Sony have since launched their budget range of PlayStation 3 titles, known as the Greatest Hits range in North America, the Platinum range in Europe and Australia and The Best range in Japan. Among the titles available in the budget range include Resistance: Fall of Man, MotorStorm, Uncharted: Drakes Fortune, Rainbow Six: Vegas, Call Of Duty 3, Assassin's Creed and Ninja Gaiden Sigma. As of October 2009 Metal Gear Solid 4: Guns of the Patriots, Ratchet & Clank Future: Tools of Destruction, Devil May Cry 4, Army of Two, Battlefield: Bad Company and Midnight Club: Los Angeles have also joined the list.

Which Call of Duty title does Sony include in their high-end price range?
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A: unanswerable

Problem: Queen Victoria:

In 1870, republican sentiment in Britain, fed by the Queen's seclusion, was boosted after the establishment of the Third French Republic. A republican rally in Trafalgar Square demanded Victoria's removal, and Radical MPs spoke against her. In August and September 1871, she was seriously ill with an abscess in her arm, which Joseph Lister successfully lanced and treated with his new antiseptic carbolic acid spray. In late November 1871, at the height of the republican movement, the Prince of Wales contracted typhoid fever, the disease that was believed to have killed his father, and Victoria was fearful her son would die. As the tenth anniversary of her husband's death approached, her son's condition grew no better, and Victoria's distress continued. To general rejoicing, he pulled through. Mother and son attended a public parade through London and a grand service of thanksgiving in St Paul's Cathedral on 27 February 1872, and republican feeling subsided.

In 1817, Victoria became seriously ill with an abscess on what part of her body?
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A:
unanswerable