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She then lost in the fourth round to Dinara Safina ( after leading 5 – 1 in the final set ) , thus failing to make the quarter-finals of the French Open for the first time since 2003 .
 Dinara Safina
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Dinara Safina