1891
Two policemen have been killed during the rescue operation launched by  Ecuador  's troops into a hospital to free President  Rafael Correa  on Thursday the Red Cross said .
 employee of: Ecuador, Rafael Correa
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:
 employee of: Ecuador, Rafael Correa