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Pink Lady announced their breakup during a press conference held on September 1st , 1980 in Tokyo , where was stated the duo would dissolve in March of 1981 , and would release four more major singles .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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