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He won a gold medal with the Great Britain and Northern Ireland squad at the 1988 Summer Olympics in Seoul , during which he was a teacher at Bromsgrove School .
 Great Britain and Northern Ireland, Seoul, Bromsgrove School
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Great Britain and Northern Ireland, Seoul, Bromsgrove School