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The six-storied mill had a greater capacity than the previous post mills and featured 6 double-sided sails , driving four pairs of grinding stones for the production of flour ( two so-called greystones ( peak stones , cut from rock of the Peak District ) and two French quartzite stones ) .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None