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It was not seen in Japan until September 2010 at the JAMMA Amusement Machine Show , which is opposite of most major Namco arcade releases where they are shown off in Japan first and are later brought to the US .
 organization: JAMMA Amusement Machine Show; organization: Namco
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: JAMMA Amusement Machine Show, Namco 
Answer:
 organization: JAMMA Amusement Machine Show; organization: Namco