2918
In an interview Tuesday on cable TV news network  MSNBC  Biden acknowledged that much of the terrorist threat the  United States  faces originates in neighboring Pakistan but said there would be chaos in South Asia if the Afghan government fell .
 country of headquarters: MSNBC, United States
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: MSNBC, United States