15118
Apostol had become a communist in the 1930s when the party was still illegal in  Romania  and he served as a close ally of the Communist leader at the time  Gheorghe Gheorghiu-Dej  .
 countries of residence: Romania, Gheorghe Gheorghiu-Dej
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:
 countries of residence: Romania, Gheorghe Gheorghiu-Dej