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An 88-year-old army veteran was jailed for 15 years by a Hong Kong court for drugs trafficking after he admitted he had stashed heroin under his mattress , a newspaper said on Saturday .
 location: Hong Kong
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: Hong Kong