4664
The station's FCC call sign was changed in 1970 to WIUM to better reflect the station's ownership (  Western Illinois University  -  Macomb  ) and mission .
 city of headquarters: Western Illinois University, Macomb
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:
 city of headquarters: Western Illinois University, Macomb