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China 's economic development is highly dependent on foreign trade , '' said Yang Dongliang , a professor at the Institute of Japan Studies at Nankai University in Tianjin . ''
 location contains: Tianjin, Nankai University; location contains: China, Tianjin; country of administrative divisions: China, Tianjin; administrative division of country: Tianjin, China
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:  Tianjin, Nankai University; China, Tianjin; China, Tianjin; Tianjin, China 
Answer:
 location contains: Tianjin, Nankai University; location contains: China, Tianjin; country of administrative divisions: China, Tianjin; administrative division of country: Tianjin, China