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They also tell of how the Buddha 's son , Rahula , joined his father as a bhikkhu when the Buddha visited his old home , Kapilavastu .
 person: Buddha; person: Rahula; person: Buddha; location: Kapilavastu
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: Buddha, Rahula, Buddha, Kapilavastu 
Answer:
 person: Buddha; person: Rahula; person: Buddha; location: Kapilavastu