7665
According to people with knowledge of the agency 's position , S.E.C. officials did not believe that Mr. Aguirre made a strong enough case for taking the testimony of the executive , who is John J. Mack , now the chief executive of Morgan Stanley , according to government officials knowledgeable about Mr. Aguirre 's accusations .
 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