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Notable organists at Exeter Cathedral include Victorian composer Samuel Sebastian Wesley , grandson of Methodist founder and hymn-writer Charles Wesley , educator Ernest Bullock , and conductor Thomas Armstrong .
 Exeter Cathedral, Samuel Sebastian Wesley, Charles Wesley, Ernest Bullock, Thomas Armstrong
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Exeter Cathedral, Samuel Sebastian Wesley, Charles Wesley, Ernest Bullock, Thomas Armstrong