678
Mexico  state-run  Pemex  oil company abandoned its offshore oil rigs in the path of Hurricane Dean on Monday evacuating more than workers and shutting down production in its main oil - producing region .
 country of headquarters: Mexico, Pemex
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: Mexico, Pemex