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The gunpowder store was subsequently re-housed , a ' cannonball 's distance away ' , outside the city , in a new building designed by architect Pieter Post .
 person: Pieter Post
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Pieter Post