7820
Miss  Philippines  Earth 2006 the 6th edition of Miss Philippines Earth beauty pageant was held on May 14th 2006 at the  University of the Philippines  Theater in Quezon City Philippines .
 country of headquarters: Philippines, University of the Philippines
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 country of headquarters: Philippines, University of the Philippines