3848
Holding a line north of P'ohang - dong An ' gang-ni and Kyongju the so-called Kyongju corridor the Republic of Korea Army I Corps was unexpectedly hit with an attack by the North Korean People's  Army  's II  Corps  part of the wider Great Naktong Offensive .
 subsidiaries: Army, Corps
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:
 subsidiaries: Army, Corps