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Biological Lovers is a folk/pop duo originally from Portland , Oregon consisting of Brian Smith ( American musician ) on guitar and Hannah Sheets on keyboard with both members sharing vocal duties .
 Portland , Oregon, Brian Smith ( American musician )
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 , Oregon, Brian Smith ( American musician )