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The Soldier Support Institute ( SSI ) at Fort Jackson , South Carolina is a U.S. Army organization and major subordinate command of the Combined Arms Support Command and part of the Sustainment Center of Excellence ( SCoE ) .
 Soldier Support, Support
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Soldier Support, Support