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The forest is crossed by several routes , including the main national road number 17 , which goes from Warsaw , via Lublin , to Lviv .
 Warsaw, Lublin, Lviv
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Warsaw, Lublin, Lviv