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It opened the " Military-Army " segment and started with the sound of a helicopter in the background as Madonna 's backup dancers , dressed as soldiers , crawled on their bellies as though in the middle of battle , then hugged each other as if saying goodbye .
 person: Madonna
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:
 person: Madonna