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Javier Arias Stella ( born August 2 , 1924 ) is a Peruvian pathologist who discovered the " Arias-Stella 's phenomenon " ( or " reaction " ) , which is named after him .
 person: Javier Arias Stella; location: Peruvian
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: Javier Arias Stella, Peruvian 
Answer:
 person: Javier Arias Stella; location: Peruvian