Problem: Given the question: Extract the answer to the question from the following context. Question: What are the Cordilleran Ice Sheets made of? Context: Indigenous genetic studies suggest that the first inhabitants of the Americas share a single ancestral population, one that developed in isolation, conjectured to be Beringia. The isolation of these peoples in Beringia might have lasted 1020,000 years. Around 16,500 years ago, the glaciers began melting, allowing people to move south and east into Canada and beyond. These people are believed to have followed herds of now-extinct Pleistocene megafauna along ice-free corridors that stretched between the Laurentide and Cordilleran Ice Sheets.
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The answer is:
Ice

Problem: Given the question: Extract the answer to the question from the following context. Question: Which is not an album: Yeezus, My Beautiful Dark Twisted Fantasy, or Runaway? Context: The Pitchfork online music publication ranked My Beautiful Dark Twisted Fantasy as the world's best album of the decade "so far"between 2010 and 2014on August 19, 2014, while Yeezus was ranked in the eighth position of a list of 100 albums. During the same week, the song "Runaway" (featuring Pusha T) was ranked in the third position in the publication's list of the 200 "best tracks" released since 2010.
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The answer is:
Runaway

Problem: Given the question: Extract the answer to the question from the following context. Question: What is an exception to the rule? Context: Initially, the station's range was officially a 40 kilometres radius of the Alexandra Palace transmitterin practice, however, transmissions could be picked up a good deal further away, and on one occasion in 1938 were picked up by engineers at RCA in New York, who were experimenting with a British television set.
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The answer is:
transmissions could be picked up a good deal further away