1141
There are three Fortune 500 iron and steel manufacturers with world headquarters in Ohio : AK Steel located in Westchester  Timken Company  located in  Canton  and Worthington Industries located in Columbus .
 city of headquarters: Timken Company, Canton
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: Timken Company, Canton