[Q]: Sentence: Greece, which is one of the world's largest shipping powers, middle powers and top tourist destinations, has the largest economy in the Balkans, where it is an important regional investor. Question: Greece has the biggest economic power where?
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[A]: yes

[Q]: Sentence: On April 2, 1865, General Godfrey Weitzel, commander of the 25th corps of the United States Colored Troops, accepted the city's surrender from the mayor and group of leading citizens who remained. Question: On what day did the Confederacy surrender Richmond to the Union?
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[A]: yes

[Q]: Sentence: The hardest part of the summer is then over, but cooler weather does not come until late October. Question: When do monsoons traditionally happen in Punjab?
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[A]:
no