Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
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.
What Amtrak station in New York sees the most use?
A: Pennsylvania Station

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
There were too few ethnic Manchus to conquer China, so they gained strength by defeating and absorbing Mongols, but more importantly, adding Han Chinese to the Eight Banners. The Manchus had to create an entire "Jiu Han jun" (Old Han Army) due to the massive amount of Han Chinese soldiers which were absorbed into the Eight Banners by both capture and defection, Ming artillery was responsible for many victories against the Manchus, so the Manchus established an artillery corps made out of Han Chinese soldiers in 1641 and the swelling of Han Chinese numbers in the Eight Banners led in 1642 of all Eight Han Banners being created. It was defected Ming Han Chinese armies which conquered southern China for the Qing.
What weapon helped the Ming defeat the Manchus?
A: artillery

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
The Chamorros, Guam's indigenous people, settled the island approximately 4,000 years ago. Portuguese explorer Ferdinand Magellan was the first European to visit the island on March 6, 1521. Guam was colonized in 1668 with settlers, like Diego Luis de San Vitores, a Catholic missionary. Between the 1500s and the 1700s, Guam was an important stopover for the Spanish Manila Galleons. During the Spanish–American War, the United States captured Guam on June 21, 1898. Under the Treaty of Paris, Spain ceded Guam to the United States on December 10, 1898. Guam is amongst the seventeen Non-Self-Governing Territories of the United Nations.
Which nationality first colonized Guam?
A: unanswerable

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
The culture of Eritrea has been largely shaped by the country's location on the Red Sea coast. One of the most recognizable parts of Eritrean culture is the coffee ceremony. Coffee (Ge'ez ቡን būn) is offered when visiting friends, during festivities, or as a daily staple of life. During the coffee ceremony, there are traditions that are upheld. The coffee is served in three rounds: the first brew or round is called awel in Tigrinya meaning first, the second round is called kalaay meaning second, and the third round is called bereka meaning "to be blessed". If coffee is politely declined, then most likely tea ("shai" ሻሂ shahee) will instead be served.
What is one of the least drank beverages in Eretria?
A:
unanswerable