Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Comparative and historical linguistics offers some clues for memorising the accent position: If one compares many standard Serbo-Croatian words to e.g. cognate Russian words, the accent in the Serbo-Croatian word will be one syllable before the one in the Russian word, with the rising tone. Historically, the rising tone appeared when the place of the accent shifted to the preceding syllable (the so-called "Neoshtokavian retraction"), but the quality of this new accent was different – its melody still "gravitated" towards the original syllable. Most Shtokavian dialects (Neoshtokavian) dialects underwent this shift, but Chakavian, Kajkavian and the Old Shtokavian dialects did not.
What offers some clues for how dialects were different?
A: unanswerable

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Contemporary a cappella includes many vocal groups and bands who add vocal percussion or beatboxing to create a pop/rock/gospel sound, in some cases very similar to bands with instruments. Examples of such professional groups include Straight No Chaser, Pentatonix, The House Jacks, Rockapella, Mosaic, and M-pact. There also remains a strong a cappella presence within Christian music, as some denominations purposefully do not use instruments during worship. Examples of such groups are Take 6, Glad and Acappella. Arrangements of popular music for small a cappella ensembles typically include one voice singing the lead melody, one singing a rhythmic bass line, and the remaining voices contributing chordal or polyphonic accompaniment.
Where does a cappella still maintain a heavy presence?
A: Christian music

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To finance state government operations, Alaska depends primarily on petroleum revenues and federal subsidies. This allows it to have the lowest individual tax burden in the United States. It is one of five states with no state sales tax, one of seven states that do not levy an individual income tax, and one of the two states that has neither. The Department of Revenue Tax Division reports regularly on the state's revenue sources. The Department also issues an annual summary of its operations, including new state laws that directly affect the tax division.
How doesn't Alaska finance its state government operations?
A: unanswerable

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Carnival in the Netherlands is called Carnaval, Vastenavond or Vastelaovend(j), and is most celebrated in traditionally Catholic regions, mainly the southern provinces North Brabant and Limburg. Dutch Carnaval is officially celebrated on the Sunday through Tuesday preceding Ash Wednesday. Although traditions vary from town to town, some common characteristics of Dutch Carnaval include a parade, a "prince" plus cortège ("Jester/adjutant and Council of 11"), a Peasant Wedding (boerenbruiloft), and eating herring (haring happen) on Ash Wednesday.
What vary from town to town in regards to the Carnival?
A:
traditions