QUES: Q: What type of performances of Baroque ear Operas require improvisation?
A: Improvisation is also an important aspect in authentic performances of operas of Baroque era and of bel canto (especially operas of Vincenzo Bellini), and is best exemplified by the da capo aria, a form by which famous singers typically perform variations of the thematic matter of the aria in the recapitulation section ('B section' / the 'da capo' part).
Does the answer answer the question? OPTIONS:
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ANS: yes

Does "In the last two decades of the 18th century, the theory of polygenism, the belief that different races had evolved separately in each continent and shared no common ancestor, was advocated in England by historian Edward Long and anatomist Charles White, in Germany by ethnographers Christoph Meiners and Georg Forster, and in France by Julien-Joseph Virey." contain the correct answer to "What was the profession of Christoph Meiners and Georg Forster?"
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A: yes

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Dominant themes in 21st century plant science are molecular genetics and epigenetics, which are the mechanisms and control of gene expression during differentiation of plant cells and tissues.
What is are the main themes of present-day botany?

answer: yes

[Q]: Sentence: In Fiscal Year (FY) 2009, the U.S. Social Security Administration (SSA) conducted 86,320 videoconferenced hearings, a 55% increase over FY 2008. Question: In what year did the SSA see a 55% increase in videoconferenced hearings? OPTIONS:
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++++++++++
[A]: yes

Q: Does "The statement occurred during the third year that the festival used the Internet to present its content, while it was the first year that it featured a showcase of content producers who work exclusively online." provide a valid answer to "What had the festival done for the past three years when the statement by Cara Cusumano was made?"?
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A: yes

Q: Does "The spectacular Vikos Gorge, part of the Vikos-Aoos National Park in the Pindus range, is listed by the Guinness book of World Records as the deepest gorge in the world." provide a valid answer to "Where does the Pindus mountain range end?"?
OPTIONS:
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A:
no