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In physics , the experiments , theories and discoveries of Michael Faraday , André-Marie Ampère , James Clerk Maxwell , and their contemporaries led to the creation of electromagnetism as a new branch of science .
 person: Michael Faraday; person: André-Marie Ampère; person: James Clerk Maxwell
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: Michael Faraday, André-Marie Ampère, James Clerk Maxwell 
Answer:
 person: Michael Faraday; person: André-Marie Ampère; person: James Clerk Maxwell