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At 2,502.9 meters above sea level , Säntis is the highest mountain in the Alpstein massif of northeastern Switzerland .
 location: Switzerland
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 
Answer:
 location: Switzerland