[Q]: Sentence: In 1971 the Database Task Group delivered their standard, which generally became known as the "CODASYL approach", and soon a number of commercial products based on this approach entered the market. Question: When were DBMSs first used commercially?
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[A]: no

[Q]: Sentence: Wood that is thoroughly air-dried retains 816% of the water in the cell walls, and none, or practically none, in the other forms. Question: Air-dried wood keeps up to what percentage of the water in its cell walls?
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[A]: yes

[Q]: Sentence: The total area is 3.09 percent water. Question: Out of the 620.34 square miles, how much of it is water?
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[A]:
no