Problem: Please answer a question about the following article about Dog:
Although it is said that the "dog is man's best friend" regarding 17–24% of dogs in the developed countries, in the developing world they are feral, village or community dogs, with pet dogs uncommon. These live their lives as scavengers and have never been owned by humans, with one study showing their most common response when approached by strangers was to run away (52%) or respond with aggression (11%). We know little about these dogs, nor about the dogs that live in developed countries that are feral, stray or are in shelters, yet the great majority of modern research on dog cognition has focused on pet dogs living in human homes.
Dog cognition has been studied on what kind of dogs?
A: pet dogs living in human homes.
Problem: Please answer a question about the following article about Xbox 360:
The Xbox 360's advantage over its competitors was due to the release of high profile titles from both first party and third party developers. The 2007 Game Critics Awards honored the platform with 38 nominations and 12 wins – more than any other platform. By March 2008, the Xbox 360 had reached a software attach rate of 7.5 games per console in the US; the rate was 7.0 in Europe, while its competitors were 3.8 (PS3) and 3.5 (Wii), according to Microsoft. At the 2008 Game Developers Conference, Microsoft announced that it expected over 1,000 games available for Xbox 360 by the end of the year. As well as enjoying exclusives such as additions to the Halo franchise and Gears of War, the Xbox 360 has managed to gain a simultaneous release of titles that were initially planned to be PS3 exclusives, including Devil May Cry, Ace Combat, Virtua Fighter, Grand Theft Auto IV, Final Fantasy XIII, Tekken 6, Metal Gear Solid : Rising, and L.A. Noire. In addition, Xbox 360 versions of cross-platform games were generally considered superior to their PS3 counterparts in 2006 and 2007, due in part to the difficulties of programming for the PS3.
Microsoft hoped to have how many titles available for the 360 by the end of 2008?
A: over 1,000
Problem: Please answer a question about the following article about Law of the United States:
During the 18th and 19th centuries, federal law traditionally focused on areas where there was an express grant of power to the federal government in the federal Constitution, like the military, money, foreign relations (especially international treaties), tariffs, intellectual property (specifically patents and copyrights), and mail. Since the start of the 20th century, broad interpretations of the Commerce and Spending Clauses of the Constitution have enabled federal law to expand into areas like aviation, telecommunications, railroads, pharmaceuticals, antitrust, and trademarks. In some areas, like aviation and railroads, the federal government has developed a comprehensive scheme that preempts virtually all state law, while in others, like family law, a relatively small number of federal statutes (generally covering interstate and international situations) interacts with a much larger body of state law. In areas like antitrust, trademark, and employment law, there are powerful laws at both the federal and state levels that coexist with each other. In a handful of areas like insurance, Congress has enacted laws expressly refusing to regulate them as long as the states have laws regulating them (see, e.g., the McCarran-Ferguson Act).
What type of property are trademarks and copyrights?
A: intellectual property
Problem: Please answer a question about the following article about Dutch language:
Three Germanic dialects were originally spoken in the Low Countries: Frisian in the north and along the western coast; Saxon in the east (contiguous with the Low German area); and Franconian in the centre and south. It is the Franconian dialects that is designated as Old Dutch, and that would develop in Middle Dutch and later Modern Dutch. The division in these development phases is mostly conventional, since the transition between them was very gradual. One of the few moments linguists can detect somewhat of a revolution is when the Dutch standard language emerged and quickly established itself. The development of the Dutch language is illustrated by the following sentence in Old, Middle and Modern Dutch:
Which Germanic dialect was spoken in the north and west of the Low Countries? 
A:
Frisian