14919
The nuclear power plant consists of two reactor units each rated at MW capacity and constructed by  Russia  's  Atomstroyexport  .
 country of headquarters: Russia, Atomstroyexport
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:
 country of headquarters: Russia, Atomstroyexport