[Q]: Sentence: By about 1910,[note 1] bound collections of empty sleeves with a paperboard or leather cover, similar to a photograph album, were sold as record albums that customers could use to store their records (the term "record album" was printed on some covers). Question: What were early record album covers made of?
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[A]: yes

[Q]: Sentence: China is the world leader in their deployment with 70 GWth installed as of 2006 and a long-term goal of 210 GWth by 2020. Question: What country is the leader in the implementation of solar powered hot water systems?
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[A]: yes

[Q]: Sentence: Interracial relationships have had a long history in North America and the United States, beginning with the intermixing of European explorers and soldiers, who took native women as companions. Question: Who first imported slaves to New York?
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[A]:
no