55171
While grueling labor conditions exist in many parts of China , Shenzhen 's gigantic plants , employing as many as 200,000 workers each , have established a particular reputation for harshness among workers and labor advocates .
 location contains: China, Shenzhen
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, Shenzhen 
Answer:
 location contains: China, Shenzhen