54151
Even within China , Mr. Zuo said , many foreign investors have begun moving factories away from Shanghai and other eastern cities to inland locations , where the work force is cheaper and younger .
 country of administrative divisions: China, Shanghai; administrative division of country: Shanghai, China; location contains: China, Shanghai
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:  China, Shanghai; Shanghai, China; China, Shanghai 
Answer:
 country of administrative divisions: China, Shanghai; administrative division of country: Shanghai, China; location contains: China, Shanghai