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There is the international prestige Singapore would enjoy , but " more importantly there is a genuine national interest in fostering better global free trade and an open market " , said Tan Kong Yam , head of Business Policy at the National University of Singapore .
 location: Singapore; organization: National University of Singapore; person: Tan Kong Yam
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: Singapore; organization: National University of Singapore; person: Tan Kong Yam