[Q]: Sentence: Han-era astronomers adopted a geocentric model of the universe, theorizing that it was shaped like a sphere surrounding the earth in the center. Question: What did astronomers during this area believe to be the center of the universe? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: The observation of a circadian or diurnal process in humans is mentioned in Chinese medical texts dated to around the 13th century, including the Noon and Midnight Manual and the Mnemonic Rhyme to Aid in the Selection of Acu-points Question: What type of Chinese texts mention circadian process in humans? OPTIONS:
- yes
- no
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[A]: yes

[Q]: Sentence: Eventually the town came to be called "Tucson" and became a part of Sonora after Mexico gained independence from Spain in 1821. Question: What year did Mexico gain independence from Spain? OPTIONS:
- yes
- no
++++++++++
[A]:
yes