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Line SFM1 , part of the Turin metropolitan railway service , links Rivarolo Canavese to Chieri passing through Turin city centre .
 Turin, Rivarolo Canavese, Chieri, Turin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Turin, Rivarolo Canavese, Chieri, Turin