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Siobhan Evelyn Magnus ( born March 15 , 1990 ) is an American singer-songwriter who was the sixth place finalist on the ninth season of American Idol .
 person: Siobhan; person: Magnus; location: American
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: Siobhan; person: Magnus; location: American