[Q]: Sentence: Customs duties from the Southern African Customs Union, which may equal as much as 70% of government revenue this year, and worker remittances from South Africa substantially supplement domestically earned income. Question: Duties from customs represent what amount of Swaziland government revenue?
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[A]: yes

[Q]: Sentence: The yarn is spun so that it is compact and solid. Question: What is a fine, tightly twisted type of cotton fabric?
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[A]: no

[Q]: Sentence: The Wichita Mountains Wildlife Refuge is the oldest and largest of nine national wildlife refuges in the state and was founded in 1901, encompassing 59,020 acres (238.8 km2). Question: How many national wildlife refuges are in Oklahoma?
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[A]:
yes