In this task, you're given an article and an answer. Your task is to generate the question for the answer based on the given article.

Q: Article: The City of Christchurch, New Zealand was struck by a 7.1magnitude earthquake on the early morning of Saturday, September 4, 2010. No tsunami alert was reported. The country's army troops were on standby to assist victims and disaster recovery operation. New Zealand's Prime Minister John Key, flew to the affected area to inspect and assess the situation of the damaged city. The Prime Minister said that the full assessment of the damages would possibly take months to know the severity of damages. Based from his assessment on what he saw in the area, it could cost at least 2 billion New Zealand dollars or US$1.4 billion for reconstruction. "An absolute miracle that no one died," Prime Minister John Key said. Two were seriously injured from this quake and thousands of local residents were awakened after being shaken at 4:35 a.m. of that Saturday. There were people trapped inside the damaged buildings but fortunately none were reported dead from the rubble of the damaged buildings. "We're all feeling scared--we've just had some significant aftershocks," a survivor told TV One News. "Tonight we're just people in the face of a massive natural disaster, trying to help each other and we're grateful we haven't lost a life." GNS Science reported 29 aftershocks within the 14 hours after the quake, with strength from magnitude 3.7 to 5.4. _ . The country experiences more than 14,000 earthquakes a year--but only about 150 are felt by people. "Many buildings here were built with earthquake protection measure. However, in most cities in developing countries, people build how they want to and there're no building controls to force them to build to a higher standard that's safe," Andrew Charleson, an architecture professor at Victoria University of Wellington told CNN.
Answer: 0.

A: How many people were killed in the New Zealand earthquake on September 4, 2010?
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Q: Article: Mark Twain was a famous American writer in his day. He liked to play jokes on his friends. One day one of his friends lost his wallet and asked Mark Twain to pay his train ticket for him. "But I don't have enough money to pay both your ticket and mine," Mark Twain said. The friend didn't know what to do. "We can do this," said Mark Twain." We can get on the train and when the conductor came to check the tickets , you can hide under my seat." Later, however, when the conductor came to check the tickets, Mark Twain gave him two tickets --- one for himself and one for his friend . Then he explained in aloud voice," My friend is a strange man. When he travels on a train, he does not like to sit on the seat." Of course everyone in the train looked at the poor friend under the seat and laughed at him loudly.
Answer: Because the friend lost his money.

A: Why did the friend ask Mark Twain to pay his train ticket for him?
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Q: Article: The massive magnitude 8.8 earthquake that struck the west coast of Chile moved the entire city of Concepcion at least 10 feet to the west, and moved other parts of South America as far apart as the Falkland Islands and Fortaleza, Brazil. These measurements, produced from data gathered by researchers from four universities and several agencies, paint a much clearer picture of the power behind this earthquake, believed to be the fifth-most-powerful since instruments have been available to measure earthquake. Buenos Aires, the capital of Argentina moved about 1 inch to the west. And Chile's capital, Santiago, moved about 11 inches to the west-southwest. The cities of Valparaiso and Mendoza, Argentina, northeast of Concepcion, also moved. The quake's epicenter was in a region of South America that's part of the so-called "ring of fire," an area of major seismic stresses which encircles(,) the Pacific Ocean. All along this line, the plates on which the continents move press against each other. Mike Bevis, professor of earth sciences at Ohio State, has led a project since 1993 that has been measuring crustal movement in the Central and Southern Andes. The effort is called the Central and Southern Andes GPS Project, or CAP. Ben Brooks, an associate researcher with the School of Ocean and Earth Science and Technology at the University of Hawaii, said that the event, offers a unique opportunity to better understand the seismic processes that control earthquakes. "We now have modern, precise instruments to evaluate this event, and because the site borders a continent, we will be able to get evidences of the changes it caused." said Brooks.
Answer: The earthquake in Chile had been predicted.

A:
What is the main idea of the passage?
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