15716
From 1952 1972 more than 200 ships were built these included ; 7 bulk carriers type Irgiz 46 reefers type Tavriya 14 timber-carriers type Sibirles ( for the  USSR   Navy  ) 15 fishing trawlers type Altay ( for the Murmansk trawler fleet ) .
 members: USSR, Navy
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:
 members: USSR, Navy