Problem: Cotton:

GM cotton acreage in India grew at a rapid rate, increasing from 50,000 hectares in 2002 to 10.6 million hectares in 2011. The total cotton area in India was 12.1 million hectares in 2011, so GM cotton was grown on 88% of the cotton area. This made India the country with the largest area of GM cotton in the world. A long-term study on the economic impacts of Bt cotton in India, published in the Journal PNAS in 2012, showed that Bt cotton has increased yields, profits, and living standards of smallholder farmers. The U.S. GM cotton crop was 4.0 million hectares in 2011 the second largest area in the world, the Chinese GM cotton crop was third largest by area with 3.9 million hectares and Pakistan had the fourth largest GM cotton crop area of 2.6 million hectares in 2011. The initial introduction of GM cotton proved to be a success in Australia – the yields were equivalent to the non-transgenic varieties and the crop used much less pesticide to produce (85% reduction). The subsequent introduction of a second variety of GM cotton led to increases in GM cotton production until 95% of the Australian cotton crop was GM in 2009 making Australia the country with the fifth largest GM cotton crop in the world. Other GM cotton growing countries in 2011 were Argentina, Myanmar, Burkina Faso, Brazil, Mexico, Colombia, South Africa and Costa Rica.

At what rank does US GM cotton stand in the world?
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A: second largest


Problem: Much of El Salvador was home to the Pipil, the Lenca, Xinca, and Kakawira. The Pipil lived in western El Salvador, spoke Nawat, and had many settlements there, most noticeably Cuzcatlan. The Pipil had no precious mineral resources, but they did have rich and fertile land that was good for farming. The Spaniards were disappointed not to find gold or jewels in El Salvador as they had in other lands like Guatemala or Mexico, but upon learning of the fertile land in El Salvador, they attempted to conquer it. Noted Meso-American indigenous warriors to rise militarily against the Spanish included Princes Atonal and Atlacatl of the Pipil people in central El Salvador and Princess Antu Silan Ulap of the Lenca people in eastern El Salvador, who saw the Spanish not as gods but as barbaric invaders. After fierce battles, the Pipil successfully fought off the Spanish army led by Pedro de Alvarado along with their Mexican Indian allies (the Tlaxcalas), sending them back to Guatemala. After many other attacks with an army reinforced with Guatemalan Indian allies, the Spanish were able to conquer Cuzcatlan. After further attacks, the Spanish also conquered the Lenca people. Eventually, the Spaniards intermarried with Pipil and Lenca women, resulting in the Mestizo population which would become the majority of the Salvadoran people. Today many Pipil and other indigenous populations live in the many small towns of El Salvador like Izalco, Panchimalco, Sacacoyo, and Nahuizalco.
What was a major Pipil settlement in western El Salvador?
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Answer: Cuzcatlan


Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Database transactions can be used to introduce some level of fault tolerance and data integrity after recovery from a crash. A database transaction is a unit of work, typically encapsulating a number of operations over a database (e.g., reading a database object, writing, acquiring lock, etc.), an abstraction supported in database and also other systems. Each transaction has well defined boundaries in terms of which program/code executions are included in that transaction (determined by the transaction's programmer via special transaction commands).
How can database transactions ensure accuracy after a crash?
A: fault tolerance


Context and question: Further references to Fleming's material can be found throughout the film; an MI6 safehouse is called "Hildebrand Rarities and Antiques", a reference to the short story "The Hildebrand Rarity" from the For Your Eyes Only short story collection.[citation needed] Bond's torture by Blofeld mirrors his torture by the title character of Kingsley Amis' continuation novel Colonel Sun.[citation needed]
Blofeld's torture by Bond reflects what?
Answer: unanswerable


Question: One of the most spectacular examples of obligate mutualism is between the siboglinid tube worms and symbiotic bacteria that live at hydrothermal vents and cold seeps. The worm has no digestive tract and is wholly reliant on its internal symbionts for nutrition. The bacteria oxidize either hydrogen sulfide or methane, which the host supplies to them. These worms were discovered in the late 1980s at the hydrothermal vents near the Galapagos Islands and have since been found at deep-sea hydrothermal vents and cold seeps in all of the world's oceans.
Is there an answer to this question: Where does the symbiotic bacteria get nutrition from?

Answer: unanswerable


Question: The blue and red colours of the shirt were first worn in a match against Hispania in 1900. Several competing theories have been put forth for the blue and red design of the Barcelona shirt. The son of the first president, Arthur Witty, claimed it was the idea of his father as the colours were the same as the Merchant Taylor's School team. Another explanation, according to author Toni Strubell, is that the colours are from Robespierre's First Republic. In Catalonia the common perception is that the colours were chosen by Joan Gamper and are those of his home team, FC Basel. The club's most frequently used change colours have been yellow and orange. An away kit featuring the red and yellow stripes of the flag of Catalonia has also been used.
Is there an answer to this question: When the colors were first worn, what team did Barcelona play?

Answer:
Hispania