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By 1839 , Sopo was part of the municipality of Monção , and later ( 1859 ) , in the municipality of Valença .
 Monção, Valença
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Monção, Valença