[Q]: Sentence: The country officially became independent on 21 March 1990. Question: When did the country of Namibia officially become a country?
++++++++++
[A]: yes

[Q]: Sentence: The architect James Gamble Rogers was commissioned to create a master plan for the principal buildings on the new campus which he designed in collegiate gothic style. Question: What style did architect James Gamble Rogers use for the principal buildings on the new Chicago campus?
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[A]: yes

[Q]: Sentence: Together with publicity about the ancestry of President Barack Obama, whose father was from Kenya, some black writers have argued that new terms are needed for recent immigrants. Question: What must Africans who recently immigrated do?
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[A]:
no