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But with bankers and traders still jittery in the wake of the bitter leadership battle in the spring for control of Morgan Stanley , the chief executive , John J. Mack , seems prepared to take whatever steps are needed to ensure that his top bankers and traders do not leave the firm once informed of their bonuses on Nov. 30 .
 person of company: John J. Mack, 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: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 person of company: John J. Mack, Morgan Stanley