[Q]: Sentence: Shell has acknowledged its responsibility for keeping the pipelines new but has also denied responsibility for environmental causes. Question: In contrast to its acceptance of responsibility for keeping the pipelines new, Shell has denied what?
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[A]: yes

[Q]: Sentence: In Iran (Persia), the history of cotton dates back to the Achaemenid era (5th century BC); however, there are few sources about the planting of cotton in pre-Islamic Iran. Question: Use of cotton in Iran dates back to what period?
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[A]: yes

[Q]: Sentence: In 1989, KMS had another hit release of "Rock to the Beat" which was a theme in Chicago dance clubs.[citation needed] Question: what was the 1989 hit theme released by KMS?
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[A]:
yes