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A centre of the Midlands nail making industry during the 19th century and home to both the Kalamazoo paper factory and the  Austin motor company   Longbridge  factory in the 20th century today Northfield is predominantly a residential and dormitory suburb for metropolitan Birmingham .
 city of headquarters: Austin motor company, Longbridge
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: Austin motor company, Longbridge