36000
An Ambitious Plan for a Chinese City The extensive chemical spill in the Songhua River that threatens the water supply of Harbin in northeastern China has focused attention on the environmental and economic challenges faced by the country 's withering rust belt .
 location contains: China, Harbin
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, Harbin 
Answer:
 location contains: China, Harbin