Problem: Ann Arbor, Michigan:

Ann Arbor was founded in 1824 by land speculators John Allen and Elisha Walker Rumsey. On 25 May 1824, the town plat was registered with Wayne County as "Annarbour;" this represents the earliest known use of the town's name. Allen and Rumsey decided to name it for their wives, both named Ann, and for the stands of Bur Oak in the 640 acres (260 ha) of land they purchased for $800 from the federal government at $1.25 per acre. The local Ojibwa named the settlement kaw-goosh-kaw-nick, after the sound of Allen's sawmill.

What name did the Ojibwa give the settlement because of the sound of Rumsey's sawmill?
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A: unanswerable

Problem: In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact of saliva. Saliva, a liquid secreted by the salivary glands, contains salivary amylase, an enzyme which starts the digestion of starch in the food; the saliva also contains mucus, which lubricates the food, and hydrogen carbonate, which provides the ideal conditions of pH (alkaline) for amylase to work. After undergoing mastication and starch digestion, the food will be in the form of a small, round slurry mass called a bolus. It will then travel down the esophagus and into the stomach by the action of peristalsis. Gastric juice in the stomach starts protein digestion. Gastric juice mainly contains hydrochloric acid and pepsin. As these two chemicals may damage the stomach wall, mucus is secreted by the stomach, providing a slimy layer that acts as a shield against the damaging effects of the chemicals. At the same time protein digestion is occurring, mechanical mixing occurs by peristalsis, which is waves of muscular contractions that move along the stomach wall. This allows the mass of food to further mix with the digestive enzymes.
What is the first step in the human digestive system?
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Answer: the action of mastication (chewing)

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Perhaps the biggest sustainability problem in Tucson, with its high desert climate, is potable water supply. The state manages all water in Arizona through its Arizona Department of Water Resources (ADWR). The primary consumer of water is Agriculture (including golf courses), which consumes about 69% of all water. Municipal (which includes residential use) accounts for about 25% of use. Energy consumption and availability is another sustainability issue. However, with over 300 days of full sun a year, Tucson has demonstrated its potential to be an ideal solar energy producer.
What agency manages Tucson's water?
A: Arizona Department of Water Resources

Context and question: The final son of Abd al-Malik to become caliph was Hisham (72443), whose long and eventful reign was above all marked by the curtailment of military expansion. Hisham established his court at Resafa in northern Syria, which was closer to the Byzantine border than Damascus, and resumed hostilities against the Byzantines, which had lapsed following the failure of the last siege of Constantinople. The new campaigns resulted in a number of successful raids into Anatolia, but also in a major defeat (the Battle of Akroinon), and did not lead to any significant territorial expansion.
When did Hisham's reign start?
Answer: 724

Question: In terms of impact on events, it was more than Napoleon's personality that took effect. He reorganized France itself to supply the men and money needed for great wars. Above all he inspired his menWellington said his presence on the battlefield was worth 40,000 soldiers, for he inspired confidence from privates to field marshals. He also unnerved the enemy. At the Battle of Auerstadt in 1806, King Frederick William III of Prussia outnumbered the French by 63,000 to 27,000; however, when he mistakenly was told that Napoleon was in command, he ordered a hasty retreat that turned into a rout. The force of his personality neutralized material difficulties as his soldiers fought with the confidence that with Napoleon in charge they would surely win.
Is there an answer to this question: Who said that Napoleon's presence on the battlefield was worth 40,000 soldiers?

Answer: Wellington

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Under threat from the conservative forces, Governor Terrazas was deposed, and the state legislature proclaimed martial law in the state in April 1864 and established Jesus Jose Casavantes as the new governor. In response, Jose Maria Patoni decided to march to Chihuahua with presidential support. Meanwhile, Maximilian von Habsburg, a younger brother of the Emperor of Austria, was proclaimed Emperor Maximilian I of Mexico on April 10, 1864 with the backing of Napoleon III and a group of Mexican conservatives. Before President Benito Juarez was forced to flee, Congress granted him an emergency extension of his presidency, which would go into effect in 1865 when his term expired, and last until 1867. At the same time, the state liberals and conservatives compromised to allow the popular Angel Trias take the governorship; by this time the French forces had taken control over the central portions of the country and were making preparations to invade the northern states.
Until which year did his extended term last?
A:
1867