16489
However , the building of this madrasa was not without controversy , as it is alleged that Jamal al-Din over-invested materials and capital in order to enhance it and model it after a palace with the intention of retiring in it .
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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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