16570
Arcelor said on Friday that it would make a deal worth 13 billion euros -LRB- $ 16.5 billion -RRB- with Severstal , selling off a third of the company to Severstal 's chief executive , Alexei Mordashov , in exchange for his stake in Severstal and other assets .
 person of company: Alexei Mordashov, Severstal; person of company: Alexei Mordashov, Severstal; person of company: Alexei Mordashov, Severstal
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Alexei Mordashov, Severstal; Alexei Mordashov, Severstal; Alexei Mordashov, Severstal 
Answer:
 person of company: Alexei Mordashov, Severstal; person of company: Alexei Mordashov, Severstal; person of company: Alexei Mordashov, Severstal