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Gregor Mendel started the genetics studies investigating genetics segregation patterns in families of peas and used statistics to explain the collected data .
 person: Gregor Mendel
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: Gregor Mendel 
Answer:
 person: Gregor Mendel