14215
Its archives contain bound volumes of letters from eminent scientists and naturalists such as Charles Darwin , Professor John Stevens Henslow and Sir Joseph Dalton Hooker .
 person: Charles Darwin; person: John Stevens Henslow; person: Joseph Dalton Hooker
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: Charles Darwin, John Stevens Henslow, Joseph Dalton Hooker 
Answer:
 person: Charles Darwin; person: John Stevens Henslow; person: Joseph Dalton Hooker