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The Dow Chemical Co of the United States will invest $ 4 billion to build an ethylene plant in Tianjin city in northern China , the China Daily said on Saturday .
 location: Tianjin; location: China; organization: China Daily; organization: Dow Chemical Co; location: United States
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 location: Tianjin; location: China; organization: China Daily; organization: Dow Chemical Co; location: United States