Problem: In which city is Taksim Square, scene of recent protests?
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A: istanbul

Problem: "What type of ""languages"" are Ruby and Perl?"
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A: programming language

Problem: Slaughterhouse-Five, the 1969 novel by Kurt Vonnegut, is set against the backdrop of the Allied bombing of which German city during World War II?
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A: dresden

Problem: Usually made of plastic, which transparent instrument, in the shape of an arc or semi-circle, is used to measure angles on paper?
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A:
protractor