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On 9 April , " Do n't Upset the Rhythm ( Go Baby Go ) " was the Irish chart 's " greatest gainer " of the week after jumping to number 18 and ultimately peaking at number 8 .
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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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