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The 2011 OFC U-20 Championship , was the 18th OFC Under 20 Qualifying Tournament , the biennial football championship of Oceania ( OFC ) .
 organization: OFC; organization: OFC; organization: OFC
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: OFC, OFC, OFC 
Answer:
 organization: OFC; organization: OFC; organization: OFC