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The Abyssinian Meeting House is an historic house built by free African-Americans in Portland , Maine at 73 – 75 Newbury Street in the Munjoy Hill and downtown neighborhoods .
 Portland , Maine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Portland , Maine