719
The 1931-1932 faculty included  Army Air Corps  (  AC  ) Army Infantry ( Inf ) Army Chemical Warfare Service ( CWS ) and Army Field Artillery ( FA ) instructors .
 Army Air Corps, AC
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Army Air Corps, AC