[Q]: Sentence: The Paleozoic spanned from roughly 541 to 252 million years ago (Ma) and is subdivided into six geologic periods; from oldest to youngest they are the Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian. Question: The Permian is an example of what?
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[A]: yes

[Q]: Sentence: The Gospel of John's first chapter began to be said at the end of Mass, we believe as a result of Athanasius, and his life's stand, but quietly. Question: Where was this Gospel said?
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[A]: no

[Q]: Sentence: On July 29, 1955, James C. Hagerty, president Dwight D. Eisenhower's press secretary, announced that the United States intended to launch "small Earth circling satellites" between July 1, 1957, and December 31, 1958, as part of their contribution to the International Geophysical Year (IGY). Question: Who was president Dwight D. Eisenhower's press secretary?
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[A]:
yes