Problem: What was the name of George Stephenson's first steam engine, which first ran on the Manchester and Liverpool Railway in 1830?
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A: rocket

Problem: What is the second biggest city in Switzerland?
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A: geneva

Problem: Affenpinscher, Keeshond and Leonberger are all types of what?
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A: dog

Problem: From which Greek word for a plant cultivated in the Nile delta does the word 'paper' derive?
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A:
papyrus