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Óscar Alberto Navarro Meléndez ( born January 13 , 1979 in La Libertad , El Salvador ) is a Salvadoran footballer who is currently under contract with UES in the Salvadoran Premier League .
 Óscar, Navarro, La Libertad, El Salvador, Salvadoran, UES, Salvadoran Premier League
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Óscar, Navarro, La Libertad, El Salvador, Salvadoran, UES, Salvadoran Premier League