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In geology Darwin was very much Lyell 's disciple , and brought back observations and his own original theorising , including ideas about the formation of atolls , which supported Lyell 's uniformitarianism .
 person: Darwin; person: Lyell; person: Lyell
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: Darwin, Lyell, Lyell 
Answer:
 person: Darwin; person: Lyell; person: Lyell