[Q]: Sentence: The recording speed was 33 13 rpm, originally used in the Western Electric/ERPI movie audio disc system implemented in the early Warner Brothers' Vitaphone "talkies" of 1927. Question: What system was used by Warner Brothers?
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[A]: no

[Q]: Sentence: YouTube has enabled people to more directly engage with government, such as in the CNN/YouTube presidential debates (2007) in which ordinary people submitted questions to U.S. presidential candidates via YouTube video, with a techPresident co-founder saying that Internet video was changing the political landscape. Question: What year was the first youtube question asked to a presidential nominee?
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[A]: yes

[Q]: Sentence: When people define and talk about a particular conception of race, they create a social reality through which social categorization is achieved. Question: What contexts do racial social constructs develop within?
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[A]:
no