IN: can you elaborate on the Chinese issue?
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OUT: can you elaborate on the chinese issue?

IN: He was a member of the New York Mathematical Society and later of the American Mathematical Society .
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OUT: he was a member of the new york mathematical society and later of the american mathematical society .

IN: Did someone email you a FILEPLANET file and you're not sure how to open it? Maybe you have found a FILEPLANET file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a FILEPLANET file related error message.
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OUT: did someone email you a fileplanet file and you're not sure how to open it? maybe you have found a fileplanet file on your computer and wondering what it's for? windows might tell you that you can't open it, or in the worst case, you might encounter a fileplanet file related error message.

IN: We also keep a watch out for unwanted intruders that we keep at bay, as the Earth is what you call a "no go area".
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OUT:
we also keep a watch out for unwanted intruders that we keep at bay, as the earth is what you call a "no go area".