[Q]: Sentence: He has been associated with composer John Williams since 1974, who composed music for all save five of Spielberg's feature films. Question: Who has composed most of Steven Spielberg's movies?
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[A]: yes

[Q]: Sentence: If the data to be compressed is analog (such as a voltage that varies with time), quantization is employed to digitize it into numbers (normally integers). Question: What has to be compressed in order to perform properly?
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[A]: yes

[Q]: Sentence: In London Chopin took lodgings at Dover Street, where the firm of Broadwood provided him with a grand piano. Question: Who sang chopin arrangements on July 7 of the year Chopin was in London?
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[A]:
no