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A number of novel and useful practices were used in the residential development of Abbas Abad , which was among the recent districts to be designed anew from the start ( some other district were built around and upon older and more established locals , but most of Abbas Abad was built on undeveloped farmland ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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