8814
Hupfeld has commanded several RAAF units during his career he has commanded No. 75 Squadron RAAF No. 2 Operational Conversion Unit RAAF No. 81 Wing  RAAF  and  Air Combat Group RAAF  .
 subsidiaries: RAAF, Air Combat Group RAAF
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: RAAF, Air Combat Group RAAF