9916
 The talk of his early retirement , coming days after the president of Citigroup , Robert B. Willumstad , announced his departure , also raised questions about the management of the company . '' 
 company: Robert B. Willumstad, Citigroup
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Robert B. Willumstad, Citigroup 
Answer:
 company: Robert B. Willumstad, Citigroup