1823
Much of the early work on these methods was done in Ivan Sutherland's graphics group at the University of Utah and at the  Evans Sutherland  company in  Salt Lake City  .
 city of headquarters: Evans Sutherland, Salt Lake City
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:
 city of headquarters: Evans Sutherland, Salt Lake City