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Discography The following are some of Ravinder Grewal 's albums : Ravinder Grewal 's Cadbury 01 .
 person: Ravinder Grewal; person: Ravinder Grewal
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: Ravinder Grewal, Ravinder Grewal 
Answer:
 person: Ravinder Grewal; person: Ravinder Grewal