15650
In August 1939 Britain signed a military co-operation agreement with  Portugal  accepting direct support to the effort of rearmament and modernization of the  Portuguese Armed Forces  .
 country of headquarters: Portugal, Portuguese Armed Forces
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: Portugal, Portuguese Armed Forces