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Nikki Grahame , who rose to fame in the seventh series , had her own television series titled " Princess Nikki " that ran for six weeks on E4 .
 person: Nikki Grahame; organization: E4
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: Nikki Grahame; organization: E4