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Established by the leading naturalist and author Mark Cocker in collaboration with the eminent wildlife photographer David Tipling and the Natural history specialist , Jonathan Elphick , the Birds and People project is a new experiment in natural history and cultural anthropology . "
 person: Mark Cocker; person: David Tipling; person: Jonathan Elphick
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: Mark Cocker, David Tipling, Jonathan Elphick 
Answer:
 person: Mark Cocker; person: David Tipling; person: Jonathan Elphick