Article: Still, very large companies dominate the business landscape. Four companies on the 2013 Fortune 500 list of the United States' largest companies, based on total revenue, are headquartered in Seattle: Internet retailer Amazon.com (#49), coffee chain Starbucks (#208), department store Nordstrom (#227), and freight forwarder Expeditors International of Washington (#428). Other Fortune 500 companies popularly associated with Seattle are based in nearby Puget Sound cities. Warehouse club chain Costco (#22), the largest retail company in Washington, is based in Issaquah. Microsoft (#35) is located in Redmond. Weyerhaeuser, the forest products company (#363), is based in Federal Way. Finally, Bellevue is home to truck manufacturer Paccar (#168). Other major companies in the area include Nintendo of America in Redmond, T-Mobile US in Bellevue, Expedia Inc. in Bellevue and Providence Health & Services the state's largest health care system and fifth largest employer in Renton. The city has a reputation for heavy coffee consumption; coffee companies founded or based in Seattle include Starbucks, Seattle's Best Coffee, and Tully's. There are also many successful independent artisanal espresso roasters and cafes.

Question: In what city near Seattle is Microsoft based?
Ans: Redmond

Here is a question about this article: Parallel to events in Germany, a movement began in Switzerland under the leadership of Huldrych Zwingli. Zwingli was a scholar and preacher, who in 1518 moved to Zurich. Although the two movements agreed on many issues of theology, some unresolved differences kept them separate. A long-standing resentment between the German states and the Swiss Confederation led to heated debate over how much Zwingli owed his ideas to Lutheranism. The German Prince Philip of Hesse saw potential in creating an alliance between Zwingli and Luther. A meeting was held in his castle in 1529, now known as the Colloquy of Marburg, which has become infamous for its failure. The two men could not come to any agreement due to their disputation over one key doctrine.
What is the answer to this question: Who began the Protestant movement in Switzerland?
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So... Huldrych Zwingli

The problem: Answer a question about this article:
The River Test runs along the western border of the city, separating it from the New Forest. There are bridges over the Test from Southampton, including the road and rail bridges at Redbridge in the south and the M27 motorway to the north. The River Itchen runs through the middle of the city and is bridged in several places. The northernmost bridge, and the first to be built, is at Mansbridge, where the A27 road crosses the Itchen. The original bridge is closed to road traffic, but is still standing and open to pedestrians and cyclists. The river is bridged again at Swaythling, where Woodmill Bridge separates the tidal and non tidal sections of the river. Further south is Cobden Bridge which is notable as it was opened as a free bridge (it was originally named the Cobden Free Bridge), and was never a toll bridge. Downstream of the Cobden Bridge is the Northam Railway Bridge, then the Northam Road Bridge, which was the first major pre-stressed concrete bridge to be constructed in the United Kingdom. The southernmost, and newest, bridge on the Itchen is the Itchen Bridge, which is a toll bridge.
What bridge at Swaythling crosses at the point between the tidal and non-tidal sections of the River Itchen?
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The answer: Woodmill Bridge

Problem: Please answer a question about the following article about Exhibition game:
Several MLB teams used to play regular exhibition games during the year against nearby teams in the other major league, but regular-season interleague play has made such games unnecessary. The two Canadian MLB teams, the Toronto Blue Jays of the American League and the Montreal Expos of the National League, met annually to play the Pearson Cup exhibition game; this tradition ended when the Expos moved to Washington DC for the 2005 season. Similarly, the New York Yankees played in the Mayor's Trophy Game against various local rivals from 1946 to 1983.
What league are the Toronto Bluejays in?
A: American League

Question: Read this and answer the question

Solar distillation can be used to make saline or brackish water potable. The first recorded instance of this was by 16th-century Arab alchemists. A large-scale solar distillation project was first constructed in 1872 in the Chilean mining town of Las Salinas. The plant, which had solar collection area of 4,700 m2 (51,000 sq ft), could produce up to 22,700 L (5,000 imp gal; 6,000 US gal) per day and operate for 40 years. Individual still designs include single-slope, double-slope (or greenhouse type), vertical, conical, inverted absorber, multi-wick, and multiple effect. These stills can operate in passive, active, or hybrid modes. Double-slope stills are the most economical for decentralized domestic purposes, while active multiple effect units are more suitable for large-scale applications.

What is an example of a solar distillation design?
Answer: single-slope

In general relativity, a vanishing stress-energy tensor implies, through Einstein field equations, the vanishing of all the components of the Ricci tensor. Vacuum does not mean that the curvature of space-time is necessarily flat: the gravitational field can still produce curvature in a vacuum in the form of tidal forces and gravitational waves (technically, these phenomena are the components of the Weyl tensor). The black hole (with zero electric charge) is an elegant example of a region completely "filled" with vacuum, but still showing a strong curvature.
Who's equations helped to imply vanishing of the Ricci tensor?
Einstein