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Utilising his experience Roque Sáenz Peña appointed him as Justice Minister during his administration of Roque Sáenz Peña , a position he held until 1914 .
 Roque Sáenz Peña, Roque Sáenz Peña
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Roque Sáenz Peña, Roque Sáenz Peña