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Separatists have fought since 1975 for independence in Aceh , which is rich in oil and gas and has a population of about 4 . 1 million people .
 geographical social political: Aceh , which is rich in oil and gas and has a population of about 4 . 1 million people; geographical social political: which; geographical social political: a population of about 4 . 1 million people; geographical social political: about 4 . 1 million people; person: Separatists
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: Aceh , which is rich in oil and gas and has a population of about 4 . 1 million people; geographical social political: which; geographical social political: a population of about 4 . 1 million people; geographical social political: about 4 . 1 million people; person: Separatists