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History The band started at an Electronic Frontier Foundation ( EFF ) benefit at The Fillmore Auditorium in 1997 .
 organization: Electronic Frontier Foundation
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: Electronic Frontier Foundation 
Answer:
 organization: Electronic Frontier Foundation