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During World War II , ' Yale in China ' was a primary instrument used by the U.S. Establishment and its Office of Strategic Services ( OSS ) to install the Maoists into power .
 event: World War II; organization: Yale in China; national religious political: U.S.; organization: Office of Strategic Services; organization: OSS; national religious political: Maoists
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 event: World War II; organization: Yale in China; national religious political: U.S.; organization: Office of Strategic Services; organization: OSS; national religious political: Maoists