4642
The term was coined in 2000 by  Luis von Ahn  Manuel Blum Nicholas J. Hopper of  Carnegie Mellon University  and John Langford of IBM .
 employee of: Luis von Ahn, Carnegie Mellon University
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:
 employee of: Luis von Ahn, Carnegie Mellon University