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China has given out warnings many times , using tough words , telling Japan not to take any dangerous actions that could disturb stability in the region , '' said Xiu Bin , an expert in international maritime law at Ocean University in Qingdao .
 location contains: China, Qingdao
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, Qingdao 
Answer:
 location contains: China, Qingdao