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Original producer Billy Rose stipulated that if a film version was ever made , he must be credited in the title , even if he were not personally involved .
 person: Billy Rose
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: Billy Rose 
Answer:
 person: Billy Rose