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The Metzlers In May 1862 , the Metzlers opened a new infirmary and informed the head of the St. Chrischona Pilgrim missionaries in Riehen , near Basel .
 location: Riehen; location: Basel
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: Riehen, Basel 
Answer:
 location: Riehen; location: Basel