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It was approved by Kennedy and South Vietnam President Ngo Dinh Diem .
 person: Kennedy; location: South Vietnam; person: Ngo Dinh Diem
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: Kennedy, South Vietnam, Ngo Dinh Diem 
Answer:
 person: Kennedy; location: South Vietnam; person: Ngo Dinh Diem