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That year , the presidential administration of Jimmy Carter approved mortgage insurance for 1,600 of the development 's proposed units .
 person: Jimmy Carter
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: Jimmy Carter 
Answer:
 person: Jimmy Carter