7594
On 13 October 1916 von der Lippe was made the first regular director of the  Royal Norwegian Navy Air Service  after the service was permanently organized and sorted under the  Royal Norwegian Navy  's shooting and signals school which von der Lippe was the head of .
 subsidiaries: Royal Norwegian Navy Air Service, Royal Norwegian Navy
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: Royal Norwegian Navy Air Service, Royal Norwegian Navy