[Q]: Sentence: He presented the idea to a few friends at the NFL offices, where he received praise and encouragement for his concept. Question: In what year did Jim Foster conceive of the idea of arena football?
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[A]: no

[Q]: Sentence: In time, Anglo-Saxon demands on the British became so great that they came to culturally dominate the bulk of southern Great Britain, though recent genetic evidence suggests Britons still formed the bulk of the population. Question: Which people arrived in the British Isles when the Roman Empire's power was diminishing?
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[A]: no

[Q]: Sentence: By the late 1980s, digital media, in the form of the compact disc, had gained a larger market share, and the vinyl record left the mainstream in 1991. Question: From the 1990s to 2010s who was the primary consumer of vinyl records?
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[A]:
no