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In 1989 , drawing on the ideas of Thomas Kuhn , Charles Janeway proposed that the old immunological paradigm had reached the limits of its usefulness - or , as he described it , the asymptote of the increase in knowledge which it had brought .
 person: Thomas Kuhn; person: Charles Janeway
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: Thomas Kuhn, Charles Janeway 
Answer:
 person: Thomas Kuhn; person: Charles Janeway