6683
 John J. Mack , taking further steps to solidify his management team at Morgan Stanley , named Walid Chammah yesterday to head the firm 's all-important investment banking division . 
 company: John J. Mack, Morgan Stanley; company: Walid Chammah, Morgan Stanley
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: 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:
 company: John J. Mack, Morgan Stanley; company: Walid Chammah, Morgan Stanley