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Baden is a municipality in the Swiss canton of Aargau , on the west bank of the river Limmat , located in the Limmat Valley ( German : Limmattal ) , northwest of Zürich .
 location: Baden; location: Swiss; location: Aargau; location: Zürich
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Baden; location: Swiss; location: Aargau; location: Zürich