13131
 The Syrians are looking for some assurance that no one will be arrested , '' said Joshua Landis , a professor of Middle Eastern history at the University of Oklahoma who is conducting research in Damascus . '' 
 Joshua Landis, University of Oklahoma
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 Joshua Landis, University of Oklahoma