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Local elections will be held in the city of Olongapo in Zambales on May 13 , 2013 in conjunction with the 2013 Philippine midterm elections .
 location: Olongapo; location: Zambales
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Olongapo, Zambales 
Answer:
 location: Olongapo; location: Zambales