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In the fall of 1990 , WQZZ became WHET-FM and adopted a new satellite-fed top 40 ( CHR ) format as " 99.7 The Heat " to compete with Top 40 station WIXX ; the station would go to an all-local Top 40 operation 2 years later .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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