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Iba Airport ( Filipino : Paliparan ng Iba ) is an airport serving the general area of Iba , located in the province of Zambales in the Philippines .
 Iba, Iba, Iba, Zambales, Philippines
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Iba, Iba, Iba, Zambales, Philippines