Question: Determine the topic of the question-answer pair. Question: "how many people die from myasthenia gravis per year?"; Answer: "The disease incidence is 330 cases per million per year and rising as a result of increased awareness."? Topic:
Answer: Myasthenia Gravis

[Q]: Determine the topic of the question-answer pair. Question: "what is the use of a sales invoice??"; Answer: "An invoice or bill is a commercial document issued by a seller to a buyer , indicating the products , quantities, and agreed prices for products or services the seller has provided the buyer."? Topic:
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[A]: Invoice

input: Please answer the following: Determine the topic of the question-answer pair. Question: "what composer used sound mass?"; Answer: "Other composers with works using this technique include Henryk Gorecki , Karel Husa , Witold Lutosawski , Kazimierz Serocki , and Steven Stucky ."? Topic:
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output: Sound mass

Please answer this: Determine the topic of the question-answer pair. Question: "what are use taxes??"; Answer: "A use tax in United States is complementary to sales tax which means, if you buy a Taxable product/services without paying any Sales tax to vendor, you owe use tax."? Topic:
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Answer: Use tax

Problem: Determine the topic of the question-answer pair. Question: "where in the world are smallpox common?"; Answer: "The earliest physical evidence of it is probably the pustular rash on the mummified body of Pharaoh Ramses V of Egypt."? Topic:

A: Smallpox

input: Please answer the following: Determine the topic of the question-answer pair. Question: "what languages are spoken in south africa?"; Answer: "The English version of the South African constitution refers to the languages by the names in those languages: isiZulu , isiXhosa , Afrikaans , Sepedi (referring to Northern Sotho), Setswana , English , Sesotho (referring to Southern Sotho), Xitsonga , Siswati , Tshivenda and isiNdebele (referring to Southern Ndebele)."? Topic:
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output:
Languages of South Africa