3869
Because of the drug use of his son Paul , a blues rock musician , who subsequently died , he became an anti-drug campaigner .
 person: Paul
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: Paul 
Answer:
 person: Paul