Input: Article: 
The method of self-exertion or "self-power"—without reliance on an external force or being—stands in contrast to another major form of Buddhism, Pure Land, which is characterized by utmost trust in the salvific "other-power" of Amitabha Buddha. Pure Land Buddhism is a very widespread and perhaps the most faith-orientated manifestation of Buddhism and centres upon the conviction that faith in Amitabha Buddha and the chanting of homage to his name liberates one at death into the Blissful (安樂), Pure Land (淨土) of Amitabha Buddha. This Buddhic realm is variously construed as a foretaste of Nirvana, or as essentially Nirvana itself. The great vow of Amitabha Buddha to rescue all beings from samsaric suffering is viewed within Pure Land Buddhism as universally efficacious, if only one has faith in the power of that vow or chants his name.

Now answer this question: What Buddha vowed to rescue all beings from samsaric suffering?

Output: Amitabha


Article: During the Cold War, American troops and their allies fought Communist forces in Korea and Vietnam. The Korean War began in 1950, when the Soviets walked out of a U.N. Security meeting, removing their possible veto. Under a United Nations umbrella, hundreds of thousands of U.S. troops fought to prevent the takeover of South Korea by North Korea, and later, to invade the northern nation. After repeated advances and retreats by both sides, and the PRC People's Volunteer Army's entry into the war, the Korean Armistice Agreement returned the peninsula to the status quo in 1953.

Question: In what two countries did the American troops fight Communist forces?
Ans: Korea and Vietnam


Here is a question about this article: Madonna has sold more than 300 million records worldwide. The Guinness World Records acknowledged her as the best-selling female recording artist and the fourth best-selling act of all time, behind The Beatles, Elvis Presley, and Michael Jackson. According to the Recording Industry Association of America (RIAA), she is the best-selling female rock artist of the 20th century and the second top-selling female albums artist in the United States, with 64.5 million certified albums. Madonna is the most certified artist of all time in United Kingdom, with 45 awards from the British Phonographic Industry (BPI) as of April 2013. Billboard named Madonna as the top touring female artist of all time. She is also the highest grossing solo touring artist, with over $1.31 billion in concert gross, starting from the Blond Ambition World Tour; she first crossed a billion gross with The MDNA Tour. Overall, Madonna ranks third on all-time top-grossing Billboard Boxscore list, with just The Rolling Stones ($1.84 billion) and U2 ($1.67 billion) ahead of her. Madonna has been honored with 20 MTV Video Music Awards—the most for any artist—including the lifetime achievement Video Vanguard Award in 1986.
What is the answer to this question: Who named Madonna as the top female touring artist of all time?
****
So... Billboard


The problem: Answer a question about this article:
The city has numerous neighborhoods consisting of vacant properties resulting in low inhabited density in those areas, stretching city services and infrastructure. These neighborhoods are concentrated in the northeast and on the city's fringes. A 2009 parcel survey found about a quarter of residential lots in the city to be undeveloped or vacant, and about 10% of the city's housing to be unoccupied. The survey also reported that most (86%) of the city's homes are in good condition with a minority (9%) in fair condition needing only minor repairs.
How many of Detroit's home are in good condition?
****
The answer: 86%


Problem: Please answer a question about the following article about Middle Ages:
The development of a three-field rotation system for planting crops[AA] increased the usage of land from one half in use each year under the old two-field system to two-thirds under the new system, with a consequent increase in production. The development of the heavy plough allowed heavier soils to be farmed more efficiently, aided by the spread of the horse collar, which led to the use of draught horses in place of oxen. Horses are faster than oxen and require less pasture, factors that aided the implementation of the three-field system.
What fraction of land was under cultivate using the three-field system?
A: two-thirds


Question: Read this and answer the question

Guinea fowl originated in southern Africa, and the species most often kept as poultry is the helmeted guineafowl (Numida meleagris). It is a medium-sized grey or speckled bird with a small naked head with colourful wattles and a knob on top, and was domesticated by the time of the ancient Greeks and Romans. Guinea fowl are hardy, sociable birds that subsist mainly on insects, but also consume grasses and seeds. They will keep a vegetable garden clear of pests and will eat the ticks that carry Lyme disease. They happily roost in trees and give a loud vocal warning of the approach of predators. Their flesh and eggs can be eaten in the same way as chickens, young birds being ready for the table at the age of about four months. 

What are Guinea fowl  also praised for accomplishing for humans?
Answer:
roost in trees and give a loud vocal warning of the approach of predators.