374839
In 1839-41 , and again in 1858-61 , he served as a Methodist pastor in Bangor , Maine , and later briefly in Portland .
 Bangor , Maine, Portland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bangor , Maine, Portland