Problem: Please answer a question about the following article about Classical music:
European art music is largely distinguished from many other non-European and popular musical forms by its system of staff notation, in use since about the 16th century. Western staff notation is used by composers to prescribe to the performer the pitches (e.g., melodies, basslines and/or chords), tempo, meter and rhythms for a piece of music. This leaves less room for practices such as improvisation and ad libitum ornamentation, which are frequently heard in non-European art music and in popular music  styles such as jazz and blues. Another difference is that whereas most popular styles lend themselves to the song form, classical music has been noted for its development of highly sophisticated forms of instrumental music such as the concerto, symphony, sonata, and mixed vocal and instrumental styles such as opera which, since they are written down, can attain a high level of complexity.
How long has the system of staff notation been in use?
A: since about the 16th century
Problem: Please answer a question about the following article about Bras%C3%ADlia:
The major roles of construction and of services (government, communications, banking and finance, food production, entertainment, and legal services) in Brasília's economy reflect the city's status as a governmental rather than an industrial center. Industries connected with construction, food processing, and furnishings are important, as are those associated with publishing, printing, and computer software. GDP is divided in Public Administration 54.8%, Services 28.7%, Industry 10.2%, Commerce 6.1%, Agribusiness 0.2%.
How much of Brasilia's GDP is from Services?
A: 28.7%
Problem: Please answer a question about the following article about Raleigh, North Carolina:
After the Civil War began, Governor Zebulon Baird Vance ordered the construction of breastworks around the city as protection from Union troops. During General Sherman's Carolinas Campaign, Raleigh was captured by Union cavalry under the command of General Hugh Judson Kilpatrick on April 13, 1865. As the Confederate cavalry retreated west, the Union soldiers followed, leading to the nearby Battle of Morrisville. The city was spared significant destruction during the War, but due to the economic problems of the post-war period and Reconstruction, with a state economy based on agriculture, it grew little over the next several decades.
What was Raleigh captured by in the Civil War?
A: Union cavalry
Problem: Please answer a question about the following article about Napoleon:
He was moved to the Bureau of Topography of the Committee of Public Safety and sought unsuccessfully to be transferred to Constantinople in order to offer his services to the Sultan. During this period, he wrote the romantic novella Clisson et Eugénie, about a soldier and his lover, in a clear parallel to Bonaparte's own relationship with Désirée. On 15 September, Bonaparte was removed from the list of generals in regular service for his refusal to serve in the Vendée campaign. He faced a difficult financial situation and reduced career prospects.
In which department of the Committee of Public Safety did Napoleon serve?
A:
the Bureau of Topography