7079
The  Ho Chi Minh  Campaign was the final title applied to a series of increasingly large-scale and ambitious offensive operations by the Democratic Republic of  Vietnam  ( North Vietnam ) and the National Front for the Liberation of South Vietnam which began on 13 December 1974 .
 origin: Ho Chi Minh, Vietnam
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Ho Chi Minh, Vietnam 
Answer:
 origin: Ho Chi Minh, Vietnam