[Q]: Sentence: Chopin invented the concept of instrumental ballade. Question: What concept was Frederic credited with creating?
++++++++++
[A]: yes

[Q]: Sentence: On 8 December, the United States, the United Kingdom, Canada, and the Netherlands declared war on Japan, followed by China and Australia the next day. Question: On what day did the U.S. and its allies declar war on Japan?
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[A]: yes

[Q]: Sentence: These were fighting words to be coming from a country that once insisted Europe needed Turkey and was willing to spill blood over it. Question: What was Miller citing?
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[A]:
no