15044
In the lawsuit , two male workers for Wal-Mart contractors in Shenzhen , China , asserted that they were not paid the minimum wage , not permitted to take holidays off and were forced to work overtime .
 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