51520
However , his published enumeration only includes the 13 uniform polyhedra , and the first clear statement of the pseudorhombicuboctahedron 's existence was made in 1905 , by Duncan Sommerville .
 person: Duncan Sommerville
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: Duncan Sommerville 
Answer:
 person: Duncan Sommerville