21716
 The deal , which could be completed this week , would be a coup for Merrill Lynch and a disappointment for John J. Mack , the chief executive of Morgan Stanley , who just weeks ago had pursued a similar agreement with BlackRock and its chief executive , Laurence D. Fink . 
 company: John J. Mack, Morgan Stanley; company: Laurence D. Fink, BlackRock
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: Laurence D. Fink, BlackRock