Problem: Which river runs through the Cumbrian town of Kendal?
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A: kent

Problem: During World War 2 North American Aviation built a fighter with a single Rolls Royce Merlin engine which proved to be the best long range fighter of the war. What was its name?
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A: mustang

Problem: Which knighted actor directed the 2011 superhero movie Thor?
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A: kenneth branagh

Problem: Which aid to seafarers was invented in 1730 by John Hadley?
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A:
sextant