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Sanders was a Captain in the United States Marine Corps serving from 1954 until 1956 .
 person: Sanders; organization: United States Marine Corps
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: Sanders, United States Marine Corps 
Answer:
 person: Sanders; organization: United States Marine Corps