5755
Production was higher than the June 2009 quarter reflecting improved performance at Western Australia Iron Ore and all three pellet plants at  Samarco  ( Brazil ) operating since July 2009  BHP  said in a statement .
 subsidiaries: Samarco, BHP
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:
 subsidiaries: Samarco, BHP