719
The 1931-1932 faculty included  Army Air Corps  (  AC  ) Army Infantry ( Inf ) Army Chemical Warfare Service ( CWS ) and Army Field Artillery ( FA ) instructors .
 alternate names: Army Air Corps, AC
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:
 alternate names: Army Air Corps, AC