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Peer polity interaction ( PPI ) was introduced by Colin Renfrew and John F. Cherry .
 person: Colin Renfrew; person: John F. Cherry
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Colin Renfrew, John F. Cherry 
Answer:
 person: Colin Renfrew; person: John F. Cherry