6883
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 options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Taiwan, Public Television Service 
Answer:
 country of headquarters: Taiwan, Public Television Service