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Ferrocarril  General  San ( FCGSM ) named after the former Argentine general  de San  was one of the six state-owned Argentine railway companies formed after President Juan nationalisation of the railway network in 1948 .
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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:
 NA: General, de San