[Q]: Extract the answer to the question from the following context. Question: What rules did Constantinople follow? Context: The Roman Empire came to dominate the entire Mediterranean basin in a vast empire based on Roman law and Roman legions. It promoted trade, tolerance, and Greek culture. By 300 AD the Roman Empire was divided into the Western Roman Empire based in Rome, and the Eastern Roman Empire based in Constantinople. The attacks of the Germanic peoples of northern Europe led to the Fall of the Western Roman Empire in AD 476, a date which traditionally marks the end of the classical period and the start of the Middle Ages.
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[A]: Roman law

[Q]: Extract the answer to the question from the following context. Question: What are part of the rail network? Context: New York City's commuter rail network is the largest in North America. The rail network, connecting New York City to its suburbs, consists of the Long Island Rail Road, Metro-North Railroad, and New Jersey Transit. The combined systems converge at Grand Central Terminal and Pennsylvania Station and contain more than 250 stations and 20 rail lines. In Queens, the elevated AirTrain people mover system connects JFK International Airport to the New York City Subway and the Long Island Rail Road; a separate AirTrain system is planned alongside the Grand Central Parkway to connect LaGuardia Airport to these transit systems. For intercity rail, New York City is served by Amtrak, whose busiest station by a significant margin is Pennsylvania Station on the West Side of Manhattan, from which Amtrak provides connections to Boston, Philadelphia, and Washington, D.C. along the Northeast Corridor, as well as long-distance train service to other North American cities.
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[A]: more than 250 stations and 20 rail lines

[Q]: Extract the answer to the question from the following context. Question: who developed Prontosil? Context: The first sulfonamide and first commercially available antibacterial, Prontosil, was developed by a research team led by Gerhard Domagk in 1932 at the Bayer Laboratories of the IG Farben conglomerate in Germany. Domagk received the 1939 Nobel Prize for Medicine for his efforts. Prontosil had a relatively broad effect against Gram-positive cocci, but not against enterobacteria. Research was stimulated apace by its success. The discovery and development of this sulfonamide drug opened the era of antibacterials.
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[A]: a research team

[Q]: Extract the answer to the question from the following context. Question: Baptists have pointed out the differences between their doctrine and who else? Context: Baptists, like other Christians, are defined by doctrinesome of it common to all orthodox and evangelical groups and a portion of it distinctive to Baptists. Through the years, different Baptist groups have issued confessions of faithwithout considering them to be creedsto express their particular doctrinal distinctions in comparison to other Christians as well as in comparison to other Baptists. Most Baptists are evangelical in doctrine, but Baptist beliefs can vary due to the congregational governance system that gives autonomy to individual local Baptist churches. Historically, Baptists have played a key role in encouraging religious freedom and separation of church and state.
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[A]:
other Christians as well as in comparison to other Baptists