5269
At Hunan Huasheng , Mr. Mo said that wages in Changsha , an inland city in central China where Hunan Huasheng is based , were climbing 15 percent a year although only now reaching $ 100 a month for factory workers . ''
 location contains: China, Changsha
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, Changsha 
Answer:
 location contains: China, Changsha