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Belgium was represented by Jacques Zegers , with the song ' " Avanti la vie " , at the 1984 Eurovision Song Contest , which took place on 5 May in Luxembourg City .
 Jacques Zegers, Luxembourg City
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jacques Zegers, Luxembourg City