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He is the author of Meeting the Demands of Reason : The Life and Thought of Andrei Sakharov (  Ithaca  NY :  Cornell University  Press 2009 ) and Vera Zasulich : A Biography ( Stanford CA : Stanford University Press 1983 ; Japanese edition 1986 ) .
 city of headquarters: Ithaca, Cornell 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:
 city of headquarters: Ithaca, Cornell University