10864
The diesel-electric submarine the second of its size in the fleet was launched at a  Hyundai Heavy Industries  shipyard in the southeastern city of  Ulsan  .
 city of headquarters: Hyundai Heavy Industries, Ulsan
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: Hyundai Heavy Industries, Ulsan