6424
It was charged with ensuring the capital adequacy and financial safety and soundness of two government sponsored enterprises the Federal National Mortgage Association ( Fannie Mae ) and the  Federal Home Loan Mortgage Corporation  (  Freddie Mac  ) .
 alternate names: Federal Home Loan Mortgage Corporation, Freddie Mac
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:
 alternate names: Federal Home Loan Mortgage Corporation, Freddie Mac