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That year she also met with singer Frederik who made her his background singer for the song " Titanic " which was competing for becoming Finland 's Eurovision Song Contest entry .
 person: Frederik
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: Frederik 
Answer:
 person: Frederik