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Lauren Adams ( née Lauren Zoe Onions ) is one of the principal protagonists in the fictional book series CHERUB by British author Robert Muchamore and the sister of James Adams , the main protagonist .
 Robert Muchamore
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Robert Muchamore