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Since Switzerland rejected the EEA membership in a referendum in 1992 , more referendums on EU membership have been initiated , the last time being in 2001 .
 location: Switzerland; organization: EEA; organization: EU
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: Switzerland, EEA, EU 
Answer:
 location: Switzerland; organization: EEA; organization: EU