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In October 2016 Iarnród Éireann expressed an interest in seeking solutions to re-power most of the fleet during a mid-life refurbishment .
 Iarnród Éireann
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Iarnród Éireann