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The aim of this reservoir was to supply a fresh drinking water to the city of Łódź and Tomaszów Mazowiecki .
 Łódź, Tomaszów Mazowiecki
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Łódź, Tomaszów Mazowiecki