401
Rhubarb pioneer dies : Renowned rhubarb grower David Westwood has died aged 74 . http://t.co/6QknPCXm
 person: David Westwood
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: David Westwood 
Answer:
 person: David Westwood