23606
An early classification system based on shape and tension was advanced by Francis Taylor Piggott in 1909 .
 person: Francis Taylor Piggott
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Francis Taylor Piggott 
Answer:
 person: Francis Taylor Piggott