7171
Since Ford installed Ulrich Bez , Porsche 's former head of development , as chief executive in 2000 , production at Aston Martin has climbed from 300 cars a year to 5,000 this year , its most ever .
 person of company: Ulrich Bez, Aston Martin
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:  Ulrich Bez, Aston Martin 
Answer:
 person of company: Ulrich Bez, Aston Martin