13889
The King of  Laos   Sisavang Vong  remained in Luang Prabang which added greater impetus to French efforts .
 employee of: Laos, Sisavang Vong
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:  Laos, Sisavang Vong 
Answer:
 employee of: Laos, Sisavang Vong