[Q]: Question: "How did American Idol succeed?" Context: "The dominance of American Idol in the ratings had made it the most profitable show in U.S. TV for many years. The show was estimated to generate $900 million for the year 2004 through sales of TV ads, albums, merchandise and concert tickets. By season seven, the show was estimated to earn around $900 million from its ad revenue alone, not including ancillary sponsorship deals and other income. One estimate puts the total TV revenue for the first eight seasons of American at $6.4 billion. Sponsors that bought fully integrated packages can expect a variety of promotions of their products on the show, such as product placement, adverts and product promotion integrated into the show, and various promotional opportunities. Other off-air promotional partners pay for the rights to feature "Idol" branding on their packaging, products and marketing programs. American Idol also partnered with Disney in its theme park attraction The American Idol Experience." Answer:
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[A]: The show was estimated to generate $900 million for the year 2004 through sales of TV ads, albums, merchandise and concert tickets

[Q]: Question: "Which of the following was never a ruler: Bhuktaman, Swayambhu Purana or Dharmakar?" Context: "The ancient history of Kathmandu is described in its traditional myths and legends. According to Swayambhu Purana, present-day Kathmandu was once a huge and deep lake names "Nagdaha" as it was full of snakes. The lake was cut drained by Bodhisatwa Manjusri with his sword and the water was evacuated out from there and he established a city called Manjupattan and made Dharmakar the ruler of the valley land. After sometimes, a demon named Banasur closed the outlet and the valley was again a lake. Then lots Krishna came to Nepal, killed Banasur and again drained out water. He has brought some Gops with him and made Bhuktaman the king of Nepal." Answer:
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[A]: Swayambhu Purana

[Q]: Question: "what is a negative effect of hydrogen on storage tanks as stated in the text" Context: "Hydrogen is highly soluble in many rare earth and transition metals and is soluble in both nanocrystalline and amorphous metals. Hydrogen solubility in metals is influenced by local distortions or impurities in the crystal lattice. These properties may be useful when hydrogen is purified by passage through hot palladium disks, but the gas's high solubility is a metallurgical problem, contributing to the embrittlement of many metals, complicating the design of pipelines and storage tanks." Answer:
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[A]: embrittlement

[Q]: Question: "What was being stationed in Constantinople?" Context: "The Roman Empire came to dominate the entire Mediterranean basin in a vast empire based on Roman law and Roman legions. It promoted trade, tolerance, and Greek culture. By 300 AD the Roman Empire was divided into the Western Roman Empire based in Rome, and the Eastern Roman Empire based in Constantinople. The attacks of the Germanic peoples of northern Europe led to the Fall of the Western Roman Empire in AD 476, a date which traditionally marks the end of the classical period and the start of the Middle Ages." Answer:
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[A]:
Roman legions