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He is the elder brother of naturalist and broadcaster David Attenborough and John Attenborough , who was an executive at Alfa Romeo before his death in 2012 .
 person: David Attenborough; person: John Attenborough; organization: Alfa Romeo
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 Attenborough, John Attenborough, Alfa Romeo 
Answer:
 person: David Attenborough; person: John Attenborough; organization: Alfa Romeo