27029
 Government officials with knowledge of the allegations say he was referring to John J. Mack , chief executive of Morgan Stanley , who was being considered to run the investment firm at the time and who had previously been chief executive of Credit Suisse First Boston . 
 John J. Mack, Credit Suisse First Boston; John J. Mack, Morgan Stanley
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:
 John J. Mack, Credit Suisse First Boston; John J. Mack, Morgan Stanley