74781
The idea of overlapping strata tracing back to successive periods was borrowed from the new geological and palaeontological work of scholars like William Smith , James Hutton and Charles Lyell .
 person: William Smith; person: James Hutton; person: Charles Lyell
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: William Smith, James Hutton, Charles Lyell 
Answer:
 person: William Smith; person: James Hutton; person: Charles Lyell