[Q]: Sentence: The Eastern Roman Empire today conventionally named the Byzantine Empire, a name not in use during its own time became increasingly influenced by Greek culture after the 7th century, when Emperor Heraclius (AD 575 - 641) decided to make Greek the empire's official language. Question: When did the Byzantine Kingdom come under the impact of the Greeks.
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[A]: yes

[Q]: Sentence: George VI wrote to his brother Edward that in the aftermath of the abdication he had reluctantly assumed "a rocking throne", and tried "to make it steady again". Question: Who was George VI's brother?
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[A]: yes

[Q]: Sentence: Their common meaning until the late eighteenth century was a simple league or inter-governmental relationship among sovereign states based upon a treaty. Question: What was federalism and confederalism common meaning in the 18th century?
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[A]:
yes