1754
Vawter Hall and the Old President's House are the two of the oldest buildings at  Virginia State University  the oldest state-supported college for blacks in the  United States  .
 country of headquarters: Virginia State University, 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: Virginia State University, United States