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Rebels also sarcastically threatened to behead him in 2001 as a " birthday present " to then Philippine President Gloria Macapagal Arroyo , who responded by declaring " all-out war " on them .
 person: Gloria Macapagal Arroyo
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Gloria Macapagal Arroyo