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Prominent scientists and thinkers , including W. Brian Arthur , Svante Pääbo , Helga Nowotny and Jack Szostak , spoke during the lecture series .
 person: W. Brian Arthur; person: Svante Pääbo; person: Helga Nowotny; person: Jack Szostak
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: W. Brian Arthur, Svante Pääbo, Helga Nowotny, Jack Szostak 
Answer:
 person: W. Brian Arthur; person: Svante Pääbo; person: Helga Nowotny; person: Jack Szostak