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Xizhan Station ( )  Tianjin  West Railway Station Station in English is a station of Line 1 of the  Tianjin Metro  .
 city of headquarters: Tianjin, Tianjin Metro
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: Tianjin, Tianjin Metro