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In Northern Ireland , Ian Paisley led a Protestant fundamentalist party , the Democratic Unionist Party , which had a considerable influence on the province 's culture .
 Northern Ireland, Ian Paisley, Democratic Unionist Party
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Northern Ireland, Ian Paisley, Democratic Unionist Party