In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].

Q: Richmond, Virginia (CNN) -- A historical society in Virginia, where slavery began in the American colonies in 1619, has discovered the identities of 3,200 slaves from unpublished private documents, providing new information for today's descendants in a first-of-its-kind online database, society officials say. Many of the slaves had been forgotten to the world until the Virginia Historical Society received a $100,000 grant to pore over some of its 8 million unpublished manuscripts -- letters, diaries, ledgers, books and farm documents from Virginians dating to the 1600s -- and began discovering the long-lost identities of the slaves, said society president and CEO Paul Levengood.The Virginia Historical Society finds 3,200 slaves named in private documentsThe unpublished documents are from Virginians' attics, basements and desk drawers"We sold all the negros 43 in number at astonishingly large prices," an 1858 letter saysOne user of the society's free database of slaves finds the owner of his great-great-great-grandfather 
 Question:Those _ families found the old, handwritten papers in attics, basements or desk drawers, Levengood said.

A: Virginia
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Q: Istanbul (CNN) Dramatic scenes unfolded Tuesday as Turkish police raided a television news station that had been ordered off the air by emergency decree. The raid on Istanbul-based IMC TV, an opposition-affiliated, pro-Kurdish channel, came as the station was reporting on the government's closure of another television channel. Turkish authorities cut IMC's transmission in the middle of the broadcast. "Free media will not be silenced," IMC staff chanted as authorities entered the control room, ordering journalists to stop broadcasting scenes from the raid on their social media accounts. IMC is one of the largest of the 20 television and radio stations ordered off air by Turkish authorities on Friday on the grounds that they broadcast "terrorist propaganda."The station was one of 20 ordered shut by emergency decree last weekTurkey has suspended about 18% of the national police force for alleged Gulenist links 
 Question:Alleged Gulenists were among 28 mayors dismissed by _'s government last month, in a move that sparked protests in a number of towns.

A: Turkish
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Q: The captivating motion of various satellites orbiting our planet has been revealed in a fascinating Nasa video. Created by the agency’s Goddard Space Flight Centre in Maryland, it shows their entire Earth-observation fleet and the paths they take around Earth. While the ISS sweeps across ‘diagonally’, in the video at least, others like the Landsat series are seen travelling from pole to pole. Scroll down for video Nasa scientists in Maryland, US have created a satellite visualisation (shown). It shows dozens of Earth-observing satellites currently orbiting our planet. They include Landsat 7 and 8, part of Nasa's long-serving series. And the ISS can also be seen sweeping diagonally across EarthNasa scientists in Maryland, US have created a satellite visualisationIt shows dozens of Earth-observing satellites currently orbiting our planetThey include Landsat 7 and 8, part of Nasa's long-serving seriesAnd the ISS can also be seen sweeping diagonally across EarthMany Earth-observing satellites orbit pole to pole to see the whole planet 
 Question:‘Together, they provide a picture of the _ as a system,’ said Nasa.

A:
Earth
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