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On 4 November 1957 the Romanian Workers ' Party comprising the most prominent politicians of Communist  Romania  ( Gheorghe Gheorghiu-Dej Chivu Stoica Alexandru Moghioro? ?tefan Voitec Nicolae Ceau?escu Leonte R?utu  and Grigore Preot  easa ) was involved in an accident at Vnukovo Airport ; Preoteasa ( who was Minister of Foreign Affairs at the time ) was killed as was the aircraft's crew .
 countries of residence: Romania, and Grigore Preot
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, and Grigore Preot