The problem: Answer a question about this article:
The Bibliothèque nationale et universitaire (BNU) is, with its collection of more than 3,000,000 titles, the second largest library in France after the Bibliothèque nationale de France. It was founded by the German administration after the complete destruction of the previous municipal library in 1871 and holds the unique status of being simultaneously a students' and a national library. The Strasbourg municipal library had been marked erroneously as "City Hall" in a French commercial map, which had been captured and used by the German artillery to lay their guns. A librarian from Munich later pointed out "...that the destruction of the precious collection was not the fault of a German artillery officer, who used the French map, but of the slovenly and inaccurate scholarship of a Frenchman."
What is the second largest library in France? 
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The answer: Bibliothèque nationale et universitaire


The problem: Answer a question about this article:
On September 30, 1989, thousands of Belorussians, denouncing local leaders, marched through Minsk to demand additional cleanup of the 1986 Chernobyl disaster site in Ukraine. Up to 15,000 protesters wearing armbands bearing radioactivity symbols and carrying the banned red-and-white Belorussian national flag filed through torrential rain in defiance of a ban by local authorities. Later, they gathered in the city center near the government's headquarters, where speakers demanded resignation of Yefrem Sokolov, the republic's Communist Party leader, and called for the evacuation of half a million people from the contaminated zones.
What symbol did the protesters wear on their arms?
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The answer: radioactivity symbols


The problem: Answer a question about this article:
The city is drained by three rivers; the West, Mill, and Quinnipiac, named in order from west to east. The West River discharges into West Haven Harbor, while the Mill and Quinnipiac rivers discharge into New Haven Harbor. Both harbors are embayments of Long Island Sound. In addition, several smaller streams flow through the city's neighborhoods, including Wintergreen Brook, the Beaver Ponds Outlet, Wilmot Brook, Belden Brook, and Prospect Creek. Not all of these small streams have continuous flow year-round.
The eastern river bears the name of the Native American Tribes that once live in New Haven, what is the name?
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The answer: Quinnipiac


The problem: Answer a question about this article:
Chopin also endowed popular dance forms with a greater range of melody and expression. Chopin's mazurkas, while originating in the traditional Polish dance (the mazurek), differed from the traditional variety in that they were written for the concert hall rather than the dance hall; "it was Chopin who put the mazurka on the European musical map." The series of seven polonaises published in his lifetime (another nine were published posthumously), beginning with the Op. 26 pair (published 1836), set a new standard for music in the form. His waltzes were also written specifically for the salon recital rather than the ballroom and are frequently at rather faster tempos than their dance-floor equivalents.
What did Chopin add to the modern dance of his era?
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The answer:
greater range of melody and expression.