1273
On July 20 2007  Northrop Grumman  became the sole owner of Burt Rutan's  Scaled Composites  .
 subsidiaries: Northrop Grumman, Scaled Composites
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Northrop Grumman, Scaled Composites 
Answer:
 subsidiaries: Northrop Grumman, Scaled Composites