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He attracted the attention of Robert Blair , at that time minister of the church at Bangor , County Down , who persuaded him to enter the ministry .
 Robert Blair, Bangor , County Down
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Robert Blair, Bangor , County Down