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The 1999 IGA SuperThrift Classic – Doubles was the doubles event of the fourteenth edition of the IGA SuperThrift Classic ; a WTA Tier III tournament held in Oklahoma City , United States .
 location: Oklahoma City; location: United States
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: Oklahoma City, United States 
Answer:
 location: Oklahoma City; location: United States