1273
On July 20 2007  Northrop Grumman  became the sole owner of Burt Rutan's  Scaled Composites  .
 subsidiaries: Northrop Grumman, Scaled Composites
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: Northrop Grumman, Scaled Composites