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The 3rd battalion , under Éamon de Valera , occupied Boland 's Mill and surrounding buildings .
 Éamon de Valera, Boland 's Mill
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Éamon de Valera, Boland 's Mill