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Release Blind Detective held its press conference on 19 March 2013 at the 2013 Hong Kong FILMART at the Hong Kong Convention and Exhibition Centre , where it also released the films ' trailer .
 Hong Kong, Hong Kong
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hong Kong, Hong Kong