[Q]: Sentence: It had three plowshares, a seed box for the drills, a tool which turned down the soil and could sow roughly 45,730 m2 (11.3 acres) of land in a single day. Question: How many persons were necessary to operate an iron plow?
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[A]: no

[Q]: Sentence: It maintains good relations with the United States especially through its Armenian diaspora. Question: How many Armenians reside in the United States?
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[A]: no

[Q]: Sentence: The period that followed is known traditionally as the Era of Fragmentation, when political control over Tibet became divided between regional warlords and tribes with no dominant centralized authority. Question: What was divided between warlords and tribes with no dominant centralized authority?
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[A]:
yes