1479
The  IX Troop Carrier Command  was a  United States Army Air Forces  unit .
 members: IX Troop Carrier Command, United States Army Air Forces
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:
 members: IX Troop Carrier Command, United States Army Air Forces