Problem: Please answer a question about the following article about Pub:
"Whereas their Majesties have been Graciously Pleased to grant Letters patent to John Lofting of London Merchant for a New Invented Engine for Extinguishing Fires which said Engine have found every great encouragement. The said Patentee hath also projected a Very Useful Engine for starting of beer and other liquors which will deliver from 20 to 30 barrels an hour which are completely fixed with Brass Joints and Screws at Reasonable Rates. Any Person that hath occasion for the said Engines may apply themselves to the Patentee at his house near St Thomas Apostle London or to Mr. Nicholas Wall at the Workshoppe near Saddlers Wells at Islington or to Mr. William Tillcar, Turner, his agent at his house in Woodtree next door to the Sun Tavern London."
How many barrels did Lofting promise his beer pump would deliver hourly?
A: 20 to 30
Problem: Please answer a question about the following article about Classical music:
The Medieval period includes music from after the fall of Rome to about 1400. Monophonic chant, also called plainsong or Gregorian chant, was the dominant form until about 1100. Polyphonic (multi-voiced) music developed from monophonic chant throughout the late Middle Ages and into the Renaissance, including the more complex voicings of motets.
What does Polyphonic mean? 
A: multi-voiced
Problem: Please answer a question about the following article about Carnival:
The most famed Carnival festivities are in Guaranda (Bolivar province) and Ambato (Tungurahua province). In Ambato, the festivities are called Fiesta de las Flores y las Frutas (Festival of the Flowers and Fruits). Other cities have revived Carnival traditions with colorful parades, such as in Azogues (Cañar Province). In Azogues and the Southern Andes in general, Taita Carnival is always an indigenous Cañari. Recently a celebration has gained prominence in the northern part of the Sierra in the Chota Valley in Imbabura which is a zone of a strong afro-Ecuadorian population and so the Carnival is celebrated with bomba del chota music.
Where has a celebration recently gained acclaim?
A: Imbabura
Problem: Please answer a question about the following article about Portugal:
Portugal is defined as a Mediterranean climate (Csa in the South, interior, and Douro region; Csb in the North, Central Portugal and coastal Alentejo; mixed oceanic climate along the northern half of the coastline and also Semi-arid climate or Steppe climate (BSk in certain parts of Beja district far South) according to the Köppen-Geiger Climate Classification), and is one of the warmest European countries: the annual average temperature in mainland Portugal varies from 8–12 °C (46.4–53.6 °F) in the mountainous interior north to 16–19 °C (60.8–66.2 °F) in the south and on the Guadiana river basin. The Algarve, separated from the Alentejo region by mountains reaching up to 900 metres (3,000 ft) in Alto de Fóia, has a climate similar to that of the southern coastal areas of Spain or Southwest Australia.
In the mountainous interior north of Portugal, between what degrees is the average temperature?
A:
8–12 °C (46.4–53.6 °F)