10972
Shares in  Galp Energia   Portugal  's largest oil and gas group ended the day down 0.15 percent at 6.45 euros .
 country of headquarters: Galp Energia, Portugal
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: Galp Energia, Portugal