257471
In Rolling Stone McCartney said the song started out with just a drum track " and just built on it bit by bit " .
 person: McCartney
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: McCartney 
Answer:
 person: McCartney