11561
Three billion years ago galaxies were forming stars at . . five times the rate we know today he told AFP at the  agency  's offices in Noordwijk in the western  Netherlands  .
 country of headquarters: agency, Netherlands
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: agency, Netherlands