2725
He also served as an executive with the American Woolen Company Lehigh Coal and Navigation Company Waltham Watch Company Fanny Farmer  Boston  Edison Company Bangor and Aroostook Railroad Pittsburg and Shawmut Railroad  Boston and Maine Railroad  Boston Garden-Arena Corporation and Springfield and Eastern Street Railway .
 city of headquarters: Boston, Boston and Maine Railroad
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: Boston, Boston and Maine Railroad