Problem: Please answer a question about the following article about Frédéric Chopin:
In 1817 the Saxon Palace was requisitioned by Warsaw's Russian governor for military use, and the Warsaw Lyceum was reestablished in the Kazimierz Palace (today the rectorate of Warsaw University). Fryderyk and his family moved to a building, which still survives, adjacent to the Kazimierz Palace. During this period, Fryderyk was sometimes invited to the Belweder Palace as playmate to the son of the ruler of Russian Poland, Grand Duke Constantine; he played the piano for the Duke and composed a march for him. Julian Ursyn Niemcewicz, in his dramatic eclogue, "Nasze Przebiegi" ("Our Discourses", 1818), attested to "little Chopin's" popularity.
What palace was Frédéric sometimes invited to as a companion of the ruler's son?
A: Belweder Palace
Problem: Please answer a question about the following article about Age of Enlightenment:
Although the existence of dictionaries and encyclopedias spanned into ancient times, the texts changed from simply defining words in a long running list to far more detailed discussions of those words in 18th-century encyclopedic dictionaries. The works were part of an Enlightenment movement to systematize knowledge and provide education to a wider audience than the elite. As the 18th century progressed, the content of encyclopedias also changed according to readers' tastes. Volumes tended to focus more strongly on secular affairs, particularly science and technology, rather than matters of theology.
How did dictionaries and encyclopedias change in the 18th century?
A: from simply defining words in a long running list to far more detailed discussions of those words
Problem: Please answer a question about the following article about Cubism:
The Cubist contribution to the 1912 Salon d'Automne created scandal regarding the use of government owned buildings, such as the Grand Palais, to exhibit such artwork. The indignation of the politician Jean Pierre Philippe Lampué made the front page of Le Journal, 5 October 1912. The controversy spread to the Municipal Council of Paris, leading to a debate in the Chambre des Députés about the use of public funds to provide the venue for such art. The Cubists were defended by the Socialist deputy, Marcel Sembat.
Towards which social topic did the Cubists  at the Salon d'Automne creat contrevesy towards? 
A: the use of government owned buildings,
Problem: Please answer a question about the following article about Plymouth:
Throughout the 17th century Plymouth had gradually lost its pre-eminence as a trading port. By the mid-17th century commodities manufactured elsewhere in England cost too much to transport to Plymouth and the city had no means of processing sugar or tobacco imports, although it did play a relatively small part in the Atlantic slave trade during the early 18th century.
In what century did Plymouth cease to be a vital trading port?
A:
17th