[Q]: Sentence: The first 20 years of licensed measles vaccination in the U.S. prevented an estimated 52 million cases of the disease, 17,400 cases of mental retardation, and 5,200 deaths. Question: How much did the occurrence of serious diseases shortly after the release of the measles vaccine?
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[A]: no

[Q]: Sentence: In astronomy, Muhammad ibn Jabir al-Harrani al-Battani improved the precision of the measurement of the precession of the Earth's axis. Question: Who is said to have mastered the astrolabe?
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[A]: no

[Q]: Sentence: The map of earthquake intensity published by CEA after surveying 500,000 km2 of the affected area shows a maximum liedu of XI on the China Seismic Intensity Scale (CSIS), described as "very destructive" on the European Macroseismic Scale (EMS) from which CSIS drew reference. Question: What town was closest to the main epicenter?
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[A]:
no