11550
During the height of the  Vietnam  War in 1968 the Democratic Republic of Vietnam or North Vietnam under its President  Ho Chi Minh  established diplomatic relations with the Palestine Liberation Organization or PLO .
 Vietnam, Ho Chi Minh
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Vietnam, Ho Chi Minh