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The debate -- the first ever between a president and an opposition leader in  Taiwan  -- will run two-and-a-half hours starting at 2 p.m. and broadcast live on  Public Television Service  ( PTS ) .
 country of headquarters: Taiwan, Public Television Service
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: Taiwan, Public Television Service