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Singer Pat Boone appeared in issue # 9 ( May 1959 ) before starring in his own comic book series .
 person: Pat Boone
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: Pat Boone 
Answer:
 person: Pat Boone