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By the early 70 's , the district was experiencing exceptional growth , partly due to its location and the availability of land on still-barren Abbas Abad Hills , which eventually became the site for the never-materialized mega project of Shahestan Pahlavi ( see Interesting Facts below ) .
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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:
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