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It was officially released on the stage of Sa Re Ga Ma Pa L'il Champs International , a children 's singing competition on Zee TV which Sonu Niigaam was a judge on at that time .
 person: Sonu Niigaam
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: Sonu Niigaam 
Answer:
 person: Sonu Niigaam