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Ahmadinejad was speaking to a gathering of 600 international scholars who have arrived in  Tehran  to mark the 20th anniversary of the death of the founder of the Islamic republic Ayatollah  Ruhollah Khomeini  which falls on Thursday .
 cities of residence: Tehran, Ruhollah Khomeini
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:
 cities of residence: Tehran, Ruhollah Khomeini