15538
He fought lengthy and legendary battles first with  Chicago  figures Samuel Insull the utilities magnate  William Hale Thompson  the mayor and Robert R. McCormick the owner of The Chicago Tribune .
 employee of: Chicago, William Hale Thompson
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:
 employee of: Chicago, William Hale Thompson